Aage Tverdal
Department: Centre for Fertility and Health
Projects and publications
- Aage Tverdal, Randi Marie Selmer, Dag Steinar Thelle, (2022). Alcohol consumption and incidence of pancreatic cancer. Global Epidemiology doi: 10.1016/j.gloepi.2022.100078
- Aage Tverdal, Gudrun Høiseth, Per Magnus, Øyvind Næss, Randi Selmer, Gun Peggy Knudsen, Jørg Mørland, (2021). Alcohol Consumption, HDL-Cholesterol and Incidence of Colon and Rectal Cancer: A Prospective Cohort Study including 250,010 Participants. Alcohol and Alcoholism s. 718-725. doi: 10.1093/alcalc/agab007
- Elisabeth Kvaavik, Aage Tverdal, G. David Batty, (2021). Biomarker-assessed passive smoking in relation to cause-specific mortality: pooled data from 12 prospective cohort studies comprising 36 584 individuals. Journal of Epidemiology and Community Health s. 794-799. doi: 10.1136/jech-2020-215398
- Aage Tverdal, Randi Marie Selmer, Jacqueline Mallory Cohen, Dag S. Thelle, (2020). Coffee consumption and mortality from cardiovascular diseases and total mortality: Does the brewing method matter?. European Journal of Preventive Cardiology (EJPC) s. 1986-1993. doi: 10.1177/2047487320914443
- Sergi Trias-Llimós, Lisa Pennells, Aage Tverdal, Alexander V Kudryavtsev, Sofia Malyutina, Laila Arnesdatter Hopstock, Olena Iakunchykova, Yuri Nikitin, Per Magnus, Stephen Kaptoge, Emanuele Di Angelantonio, David Adrew Leon, (2020). Quantifying the contribution of established risk factors to cardiovascular mortality differences between Russia and Norway. Scientific Reports doi: 10.1038/s41598-020-77877-3
- Øystein Kravdal, Aage Tverdal, Emily Grundy, (2020). The association between parity, CVD mortality and CVD risk factors among Norwegian women and men. European Journal of Public Health s. 1133-1139. doi: 10.1093/eurpub/ckz235
- Aage Tverdal, Svetlana Skurtveit, Randi Marie Selmer, Ronny Myhre, Dag Steinar Thelle, (2018). Coffee and wine consumption is associated with reduced mortality from alcoholic liver disease: follow-up of 219,279 Norwegian men and women aged 30-67 years. Annals of Epidemiology s. 753-758. doi: 10.1016/j.annepidem.2018.08.010
- Aage Tverdal, Per Magnus, Randi Selmer, Dag Steinar Thelle, (2017). Consumption of alcohol and cardiovascular disease mortality: a 16 year follow-up of 115,592 Norwegian men and women aged 40–44 years. European Journal of Epidemiology (EJE) s. 775-783. doi: 10.1007/s10654-017-0313-4
- Randi Selmer, Jannicke Igland, Inger Kristine Ariansen, Aage Tverdal, Inger Njølstad, Kari Furu, Grethe S. Tell, Tor Ole Klemsdal, (2017). NORRISK 2: A Norwegian risk model for acute cerebral stroke and myocardial infarction. European Journal of Preventive Cardiology (EJPC) s. 773-782. doi: 10.1177/2047487317693949
- Anne Bukten, Marianne Riksheim Stavseth, Svetlana Skurtveit, Aage Tverdal, John Strang, Thomas Clausen, (2017). High risk of overdose death following release from prison: variations in mortality during a 15-year observation period. Addiction s. 1432-1439. doi: 10.1111/add.13803
- Jostein Holmen, Turid Lingaas Holmen, Aage Tverdal, Oddgeir Holmen, Erik Reidar Sund, Kristian Midthjell, (2016). Blood pressure changes during 22-year of follow-up in large general population - the HUNT Study, Norway. BMC Cardiovascular Disorders doi: 10.1186/s12872-016-0257-8
- Marie Therese Cooney, Randi Selmer, Anja Schou Lindman, Aage Tverdal, Alessandro Menotti, Troels Thomsen, Guy DeBacker, De Bacquer Dirk, Grethe Seppola Tell, Inger Njølstad, Ian M Graham, (2016). Cardiovascular risk estimation in older persons: SCORE O.P.. European Journal of Preventive Cardiology (EJPC) s. 1093-1103. doi: 10.1177/2047487315588390
- Ingeborg Hartz, Marte Handal, Aage Tverdal, Svetlana Skurtveit, (2015). Paediatric Off-Label Use of Melatonin – A Register Linkage Study between the Norwegian Prescription Database and Patient Register. Basic & Clinical Pharmacology & Toxicology s. 267-273. doi: 10.1111/bcpt.12411
- Palle Brink, Roger K Smith, Aage Tverdal, Nils Ivar Dolvik, (2015). Changes in synovial fluid biomarker concentrations following arthroscopic surgery in horses with osteochondritis dissecans of the distal intermediate ridge of the tibia. American Journal of Veterinary Research s. 599-607. doi: 10.2460/ajvr.76.7.599
- Ranjan Parajuli, Eivind Bjerkaas, Aage Tverdal, Loïc Le Marchand, Elisabete Weiderpass, Inger Torhild Gram, (2014). Smoking increases rectal cancer risk to the same extent in women as in men: Results from a Norwegian cohort study. BMC Cancer doi: 10.1186/1471-2407-14-321
- Tone Kristin Omsland, Nina Emaus, Grethe Seppola Tell, Jeanette H. Magnus, Luai Awad Ahmed, Kristin Holvik, Jacqueline Center, Siri Forsmo, Clara Gram Gjesdal, Berit Schei, Peter Vestergaard, John A. Eisman, Jan Arvid Falch, Aage Tverdal, Anne-Johanne Søgaard, Haakon E Meyer, (2014). Mortality following the first hip fracture in Norwegian women and men (1999-2008): A NOREPOS study. Bone s. 81-86. doi: 10.1016/j.bone.2014.02.016
- Ranjan Parajuli, Eivind Bjerkaas, Aage Tverdal, Loïc Le Marchand, Elisabete Weiderpass, Inger Torhild Gram, (2014). Cigarette smoking and colorectal cancer mortality among 602,242 Norwegian males and females. Clinical Epidemiology s. 137-145. doi: 10.2147/CLEP.S58722
- Helene Margrethe Devold, Anne-Johanne Søgaard, Aage Tverdal, Jan Arvid Falch, Kari Furu, Haakon Meyer, (2013). Hip fracture and other predictors of anti-osteoporosis drug use in Norway. Osteoporosis International s. 1225-1233. doi: 10.1007/s00198-012-2063-1
- Øyvind Næss, Camilla Stoltenberg, Dominic Anthony Hoff, Wenche Nystad, Per Magnus, Aage Tverdal, George Davey Smith, (2013). Cardiovascular mortality in relation to birth weight of children and grandchildren in 500 000 Norwegian families. European Heart Journal s. 3427-3436. doi: 10.1093/eurheartj/ehs298
- Tomas Log, Svetlana Skurtveit, Randi Marie Selmer, Aage Tverdal, Kari Furu, Ingeborg Hartz, (2013). The association between prescribed opioid use for mothers and children: a record-linkage study. European Journal of Clinical Pharmacology s. 111-118. doi: 10.1007/s00228-012-1312-8
- Dag Steinar Thelle, Randi Selmer, Knut Gjesdal, Solveig Sakshaug, Astanand Jugessur, Sidsel Graff-Iversen, Aage Tverdal, Wenche Nystad, (2013). Resting heart rate and physical activity as risk factors for lone atrial fibrillation: a prospective study of 309 540 men and women. Heart s. 1755-1760. doi: 10.1136/heartjnl-2013-303825
- Svetlana Skurtveit, Randi Selmer, Aage Tverdal, Kari Furu, Wenche Nystad, Marte Handal, (2013). Drug exposure: inclusion of dispensed drugs before pregnancy may lead to underestimation of risk associations. Journal of Clinical Epidemiology s. 964-972. doi: 10.1016/j.jclinepi.2013.02.011
- Vidar Hjellvik, Randi Selmer, Håkon K. Gjessing, Aage Tverdal, Stein Emil Vollset, (2013). Body mass index, smoking, and risk of death between 40 and 70 years of age in a Norwegian cohort of 32,727 women and 33,475 men. European Journal of Epidemiology (EJE) s. 35-43. doi: 10.1007/s10654-012-9758-7
- Ranjan Parajuli, Eivind Bjerkaas, Aage Tverdal, Randi Selmer, Loïc Le Marchand, Elisabete Weiderpass, Inger Torhild Gram, (2013). The increased risk of colon cancer due to cigarette smoking may be greater in women than men. Cancer Epidemiology, Biomarkers and Prevention s. 862-871. doi: 10.1158/1055-9965.EPI-12-1351
- Hilde Kløvstad, Olav Bjarte Natås, Aage Tverdal, Preben Aavitsland, (2013). Systematic screening with information and home sampling for genital Chlamydia trachomatis infections in young men and women in Norway: a randomized controlled trial. BMC Infectious Diseases doi: 10.1186/1471-2334-13-30
- Lise Eilin Stene, Geir Wenberg Jacobsen, Grete Dyb, Aage Tverdal, Berit Schei, (2013). Intimate partner violence and cardiovascular risk in women: a population-based cohort study. Journal of Women's Health s. 250-258. doi: 10.1089/jwh.2012.3920
- Tone Kristin Omsland, Kristin Holvik, Haakon E Meyer, Jacqueline Center, Nina Emaus, Grethe S Tell, Berit Schei, Aage Tverdal, Clara Gram Gjesdal, Guri Grimnes, Siri Forsmo, John A. Eisman, Anne-Johanne Søgaard, (2012). Hip fractures in Norway 1999-2008: time trends in total incidence and second hip fracture rates. A NOREPOS study. European Journal of Epidemiology (EJE) s. 807-814. doi: 10.1007/s10654-012-9711-9
- Lise Eilin Stene, Grete Dyb, Aage Tverdal, Geir Wenberg Jacobsen, Berit Schei, (2012). Intimate partner violence and prescription of potentially addictive drugs: prospective cohort study of women in the Oslo Health Study. BMJ Open doi: 10.1136/bmjopen-2011-000614
- Helene Margrethe Devold, Kari Furu, Svetlana Skurtveit, Aage Tverdal, Jan Arvid Falch, Anne Johanne Søgaard, (2012). Influence of socioeconomic factors on the adherence of alendronate treatment in incident users in Norway. Pharmacoepidemiology and Drug Safety s. 297-304. doi: 10.1002/pds.2344
- Ida Laake, Jan I Pedersen, Randi Marie Selmer, Bente Kirkhus, Anja Schou Lindman, Aage Tverdal, Marit Bragelien Veierød, (2012). A prospective study of intake of trans-fatty acids from ruminant fat, partially hydrogenated vegetable oils, and marine oils and mortality from CVD. British Journal of Nutrition s. 743-754. doi: 10.1017/S0007114511005897
- Øystein Karlstad, Per Nafstad, Aage Tverdal, Svetlana Skurtveit, Kari Furu, (2012). Comorbidities in an asthma population 8-29 years old: a study from the Norwegian Prescription Database. Pharmacoepidemiology and Drug Safety s. 1045-1052. doi: 10.1002/pds.2233
- Fredrik A Walby, Ingeborg Rossow, Aage Tverdal, (2012). Selvmord, villet egenskade. s. 57-58.
- Vidar Hjellvik, Milada Mahic, Aage Tverdal, (2012). Utdanning og legemiddelbruk. Tidsskrift for Den norske legeforening s. 2166-2170. doi: 10.4045/tidsskr.11.1431
- Alexandra Dudina, Marie Therese Cooney, Dirk De Bacquer, Guy De Backer, Pierre Ducimetière, Pekka Jousilahti, Ulrich Keil, Alessandro Menotti, Inger Njølstad, Rafael Oganov, Susana Sans, Troels Thomsen, Aage Tverdal, Hans Wedel, Peter Whincup, Lars Wilhelmsen, Ronan Conroy, Anthony Fitzgerald, Ian Graham, (2011). Relationships between body mass index, cardiovascular mortality, and risk factors: a report from the SCORE investigators. European Journal of Cardiovascular Prevention & Rehabilitation s. 731-742. doi: 10.1177/1741826711412039
- Tomas Log, Svetlana Skurtveit, Aage Tverdal, Kari Furu, Ingeborg Hartz, (2011). Dispensing of prescribed analgesics in Norway among young people with foreign- or Norwegian-born parents. Scandinavian Journal of Pain s. 36-44. doi: 10.1016/j.sjpain.2010.11.001
- Hege Salvesen Blix, Vidar Hjellvik, Irene Litleskare, Marit Rønning, Aage Tverdal, (2011). Cigarette smoking and risk of subsequent use of antibacterials: a follow-up of 365117 men and women. Journal of Antimicrobial Chemotherapy s. 2159-2167. doi: 10.1093/jac/dkr273
- Aage Tverdal, Vidar Hjellvik, Randi Marie Selmer, (2011). Coffee intake and oral-oesophageal cancer: follow-up of 389 624 Norwegian men and women 40-45 years. British Journal of Cancer s. 157-161. doi: 10.1038/bjc.2011.192
- Vidar Hjellvik, Aage Tverdal, Hanne Strøm, (2011). Boiled Coffee Intake and Subsequent Risk for Type 2 Diabetes. Epidemiology s. 418-421. doi: 10.1097/EDE.0b013e31821083e3
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2011). Langtidsbruk av benzodiazepiner i kombinasjon med opioider og z-hypnotika blant uføretrygdede i Norge. Norsk Farmaceutisk Tidsskrift s. 24-28.
- Øystein Karlstad, Aage Tverdal, Svetlana Skurtveit, Per Nafstad, Kari Furu, (2011). A prospective study of asthma and subsequent use of hypnotics in young adults. Pharmacoepidemiology and Drug Safety s. 370-377. doi: 10.1002/pds.2101
- Tomas Log, Ingeborg Hartz, Marte Handal, Aage Tverdal, Kari Furu, Svetlana Skurtveit, (2011). The association between smoking and subsequent repeated use of prescribed opioids among adolescents and young adults-a population-based cohort study. Pharmacoepidemiology and Drug Safety s. 90-98. doi: 10.1002/pds.2066
- Aage Tverdal, Kjell Bjartveit, (2011). Health consequences of pipe versus cigarette smoking. Tobacco Control s. 123-130. doi: 10.1136/tc.2010.036780
- Karin E. Waterhouse, Anders Gjeldnes, Aage Tverdal, Paula De Angelis, Wenche Farstad, M Håård, Elisabeth Kommisrud, (2010). Alterations of sperm DNA integrity during cryopreservation procedure and in vitro incubation of bull semen. Animal Reproduction Science s. 34-42. doi: 10.1016/j.anireprosci.2009.04.011
- Øystein Karlstad, Per Nafstad, Aage Tverdal, Svetlana Skurtveit, Kari Furu, (2010). Prevalence, incidence and persistence of anti-asthma medication use in 2-to 29-year-olds: a nationwide prescription study. European Journal of Clinical Pharmacology s. 399-406. doi: 10.1007/s00228-009-0749-x
- Vidar Hjellvik, Aage Tverdal, Kari Furu, (2010). Body mass index as predictor for asthma: a cohort study of 118,723 males and females. European Respiratory Journal s. 1235-1242. doi: 10.1183/09031936.00192408
- Svetlana Skurtveit, Kari Furu, Jørgen G. Bramness, Randi Marie Selmer, Aage Tverdal, (2010). Benzodiazepines predict use of opioids - a follow-up study of 17,074 men and women. Pain medicine (Malden, Mass.) s. 805-814. doi: 10.1111/j.1526-4637.2010.00870.x
- Svetlana Skurtveit, Kari Furu, Randi Marie Selmer, Marte Handal, Aage Tverdal, (2010). Nicotine Dependence Predicts Repeated Use of Prescribed Opioids. Prospective Population-based Cohort Study. Annals of Epidemiology s. 890-897. doi: 10.1016/j.annepidem.2010.03.010
- Jørgen G. Bramness, Fredrik A Walby, Vidar Hjellvik, Randi Marie Selmer, Aage Tverdal, (2010). Self-reported mental health and its gender differences as a predictor of suicide in the middle-aged. American Journal of Epidemiology s. 160-166. doi: 10.1093/aje/kwq091
- Anja Schou Lindman, Marit Bragelien Veierød, Aage Tverdal, JI Pedersen, Randi Marie Selmer, (2010). Nonfasting triglycerides and risk of cardiovascular death in men and women from the Norwegian Counties Study. European Journal of Epidemiology (EJE) s. 789-798. doi: 10.1007/s10654-010-9501-1
- Jørn Våge, Tina B Bønsdorff, Ellen Arnet, Aage Tverdal, Frode Lingaas, (2010). Differential gene expression in brain tissues of aggressive and non-aggressive dogs. BMC Veterinary Research doi: 10.1186/1746-6148-6-34
- Helene Margrethe Devold, Gia Man Duong, Aage Tverdal, Kari Furu, Haakon E Meyer, Jan A Falch, Anne-Johanne Søgaard, (2010). Prescription of anti-osteoporosis drugs during 2004-2007-a nationwide register study in Norway. European Journal of Clinical Pharmacology s. 299-306. doi: 10.1007/s00228-009-0746-0
- Ingeborg Hartz, Aage Tverdal, Eivind Å. Skille, Svetlana Skurtveit, (2010). Disability pension as predictor of later use ofBenzodiazepines among Benzodiazepine users. Social Science and Medicine s. 921-925. doi: 10.1016/j.socscimed.2009.11.015
- P Brink, Mikala Skydsgaard, Jon Teige, Aage Tverdal, Nils Ivar Dolvik, (2010). Association between clinical signs and histopathologic changes in the synovium of the tarsocrural joint of horses with osteochondritis dissecans of the tibia. American Journal of Veterinary Research s. 47-54.
- Anne Margrethe Hausken, Kari Furu, Aage Tverdal, Svetlana Skurtveit, (2010). Mental distress and subsequent use of anxiolytic drugs - A prospective population-based cohort study of 16,000 individuals. Scandinavian Journal of Public Health s. 465-473. doi: 10.1177/1403494810370229
- M Ebbing, Kaare Harald Bønaa, E Arnesen, PM Ueland, Jan Erik Nordrehaug, K Rasmussen, I Njølstad, DW Nilsen, H Refsum, Aage Tverdal, Stein Emil Vollset, H Schirmer, Ø Bleie, Terje Steigen, Ø Midttun, Å Fredriksen, ER Pedersen, O Nygård, (2010). Combined analyses and extended follow-up of two randomized controlled homocysteine-lowering B-vitamin trials. Journal of Internal Medicine s. 367-382. doi: 10.1111/j.1365-2796.2010.02259.x
- Randi Selmer, Solveig Sakshaug, Svetlana Skurtveit, Kari Furu, Aage Tverdal, (2009). Statin treatment in a cohort of 20 212 men and women in Norway according to cardiovascular risk factors and level of education. British Journal of Clinical Pharmacology s. 355-362. doi: 10.1111/j.1365-2125.2008.03360.x
- Kjell Bjartveit, Aage Tverdal, (2009). Health consequences of sustained smoking cessation. Tobacco Control s. 197-205. doi: 10.1136/tc.2008.026898
- Knut Liestøl, Steinar Tretli, Aage Tverdal, Jan Mæhlen, (2009). Tuberculin status, socioeconomic differences and differences in all-cause mortality: experience from Norwegian cohorts born 191049. International Journal of Epidemiology s. 427-434. doi: 10.1093/ije/dyn347
- Amany K Elshorbagy, Clara Gram Gjesdal, Eha Nurk, Grethe Seppola Tell, Per M Ueland, Ottar Nygård, Aage Tverdal, Stein Emil Vollset, A David Smith, Helga Refsum, (2009). Cysteine, homocysteine and bone mineral density: A role for body composition?. Bone s. 954-958. doi: 10.1016/j.bone.2008.12.018
- Bernadette N Kumar, Randi Marie Selmer, Anja Schou Lindman, Aage Tverdal, Kathleen Falster, Haakon E Meyer, (2009). Ethnic differences in SCORE cardiovascular risk in Oslo, Norway. European Journal of Cardiovascular Prevention & Rehabilitation s. 229-234. doi: 10.1097/HJR.0b013e3283294b07
- Marta Ebbing, Kaare Harald Bønaa, Ottar Nygård, Egil Arnesen, Per Magne Ueland, Jan Erik Nordrehaug, Knut Rasmussen, Inger Njølstad, Helga Refsum, Dennis W Nilsen, Aage Tverdal, Klaus Meyer, Stein Emil Vollset, (2009). Cancer incidence and mortality after treatment with folic acid and vitamin B12. Journal of the American Medical Association (JAMA) s. 2119-2126. doi: 10.1001/jama.2009.1622
- Marie-Therese Cooney, Alexandra Dudina, Peter Whincup, Simon Capewell, Alessandro Menotti, Pekka Jousilahti, Inger Njølstad, Raphel Oganov, Troels Thomsen, Aage Tverdal, Hans Wedel, Lars Wilhelmsen, Ian Graham, SCORE Investigators On behalf of the, (2009). Re-evaluating the Rose approach: comparative benefits of the population and high-risk preventive strategies. European Journal of Cardiovascular Prevention & Rehabilitation s. 541-549. doi: 10.1097/HJR.0b013e32832b38a1
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). A comparison of self-reported data on disability pension status with data from a nationwide administrative register. Norsk Epidemiologi s. 169-172.
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). Social inequalities in use of potentially addictive drugs in Norway - use among disability pensioners. Norsk Epidemiologi s. 209-218.
- Stein Emil Vollset, Grethe S Tell, Dag Steinar Thelle, Steinar Tretli, Aage Tverdal, Lars Johan Vatten, (2012). Dødelighet og dødsårsaker i Norge gjennom 60 år 1951-2010
- Bente Kirkhus, Ida Synnøve Bårvåg Grini, Aage Tverdal, Jan Ivar Pedersen, (2015). The potential of dietary modification to reduce mortality of coronary heart disease – the Norwegian and Finnish experience.
- Aage Tverdal, (2015). Boiled coffee consumption and the risk of prostate cancer: Follow-up of 224,234 Norwegian men 20-69 years. British Journal of Cancer s. 576-579. doi: 10.1038/bjc.2014.645
- Ingeborg Hartz, Marte Handal, Aage Tverdal, Svetlana Skurtveit, (2014). Pediatric off-label use of melatonin - a register-linkage study between the Norwegian Prescription Database and Patient Registry.
- Ranjan Parajuli, Eivind Bjerkaas, Aage Tverdal, Randi Selmer, Loic Le Marchand, Elisabete Weiderpass, Inger Torhild Gram, (2013). The increased risk of colon cancer due to cigarette smoking may be greater in women than men.
- Dag Steinar Thelle, Aage Tverdal, Randi Marie Selmer, (2012). Is the use of cholesterol in mortality risk algorithms in clinical guidelines valid? Ten years prospective data from the Norwegian HUNT 2 study. Journal of Evaluation In Clinical Practice s. 169-169. doi: 10.1111/j.1365-2753.2011.01813.x
- Dag Steinar Thelle, Aage Tverdal, Randi Selmer, (2012). Is the use of cholesterol in mortality risk algorithms in clinical guidelines valid? Ten years prospective data from the Norwegian HUNT 2 study. Journal of Evaluation In Clinical Practice s. 1219-1219. doi: 10.1111/j.1365-2753.2012.01833.x
- Svetlana Skurtveit, Randi Selmer, Aage Tverdal, Wenche Nystad, Kari Furu, Marte Handal, (2012). Use of Prescription Databases in Studies of SSRI Exposure in Pregnancy. Impact of Misclassification on Measured Risk Associations. Pharmacoepidemiology and Drug Safety s. 374-375.
- Ingeborg Hartz, Tomas Log, Randi Marie Selmer, Kari Furu, Aage Tverdal, Eivind Åsrum Skille, Svetlana Skurtveit, (2011). Does patterns of maternal use of potentially addictive drugs reproduce in their children ?. Norsk Epidemiologi, Supplement s. 23-23.
- Ingeborg Hartz, Tomas Log, Randi Marie Selmer, Kari Furu, Aage Tverdal, Eivind Åsrum Skille, Svetlana Skurtveit, (2011). Does patterns of maternal use of potentially addictive drugs reproduce in their children ?.
- Ingeborg Hartz, Svetlana Skurtveit, Randi Marie Selmer, Aage Tverdal, Eivind Åsrum Skille, (2011). Ingeborg Hartz, Høyskolen i Hedemark, Elverum Reproducibility of patterns use of potentially addictive drugs over generations – a recordlinkage study.
- Ingeborg Hartz, Randi Marie Selmer, Aage Tverdal, Eivind Åsrum Skille, Svetlana Skurtveit, (2011). Does Patterns of Maternal Use of Potentially Addictive Drugs Reproduce in Their Children?. Pharmacoepidemiology and Drug Safety s. S265-S265.
- Aage Tverdal, Hans Thomas Waaler, VG Wilberg, Einar Heldal, (2011). Dr Kjell Bjartveit, 1927-2011. The International Journal of Tuberculosis and Lung Disease s. 710-710. doi: 10.5588/ijtld.11.0154
- Tone Kristin Omsland, Kristin Holvik, Nina Emaus, Grethe S Tell, Berit Schei, Aage Tverdal, Clara Gram Gjesdal, Guri Grimnes, Siri Forsmo, Haakon E Meyer, Anne-Johanne Søgaard, (2011). Hip fracture incidence in Norway 1999-2008. Norwegian Epidemiologic Osteoporosis Studies. Norsk Epidemiologi, Supplement s. 38-38.
- Øystein Karlstad, Aage Tverdal, Svetlana Skurtveit, Per Nafstad, Kari Furu, (2010). A prospective study of self-reported asthma and subsequent use of hypnotics.
- Øystein Karlstad, Svetlana Skurtveit, Per Nafstad, Aage Tverdal, Kari Furu, (2010). Comorbidities in the treated asthma population under 30 years of age- a prescription study from the Norwegian Prescription Database.
- Øystein Karlstad, Svetlana Skurtveit, Aage Tverdal, Per Nafstad, Kari Furu, (2010). A prospective study of asthma and subsequent use of hypnotics. Pharmacoepidemiology and Drug Safety s. s248-s248. doi: 10.1002/pds.2019
- Helene Margrethe Devold, Kari Furu, Svetlana Skurtveit, Aage Tverdal, Jan A Falch, Anne-Johanne Søgaard, (2010). Influence of socioeconomic factors on the persistence of alendronate use. A nationwide prescription database study in Norway. Pharmacoepidemiology and Drug Safety s. 92-93.
- MT Cooney, Anja Schou Lindman, A Dudina, Randi Marie Selmer, Aage Tverdal, I Graham, (2010). SCORE OP: DERIVATION AND VALIDATION OF A FUNCTION FOR ESTIMATING CVD RISK IN OLDER PEOPLE. Irish Journal of Medical Science s. S411-S411.
- Helene Margrethe Devold, Kari Furu, Svetlana Skurtveit, Aage Tverdal, Jan A Falch, Anne-Johanne Søgaard, (2010). Does socioeconomic factors influence the persistence in use of alendronate? A nationwide register study in Norway. Osteoporosis International s. 180-181.
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). Bruk av benzodiazepiner blant uføretrygdede i Norge : en registerkoblingsstudie.
- Tomas Log, Svetlana Skurtveit, Ingeborg Hartz, Aage Tverdal, Marte Handal, Kari Furu, (2009). The effect of adolescent smoking on opioid use : a prospective population based cohort study.
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). Disability pension as predictor of continued use of benzodiazepines.
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). BZD use in the entire Norwegian population according to age, gender and disability pension status.
- Tomas Log, Svetlana Skurtveit, Ingeborg Hartz, Aage Tverdal, Marte Handal, Kari Furu, (2009). The Effect of Adolescent Smoking on Opioid Use-A Prospective Population Based Cohort Study. Pharmacoepidemiology and Drug Safety
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). BZD Use in the Entire Norwegian Population According to Age, Gender and Disability Pension Status-A Register Linkage Study. Pharmacoepidemiology and Drug Safety doi: 10.1002/pds.1806
- Vidar Hjellvik, Randi Marie Selmer, Hege Salvesen Blix, Solveig Sakshaug, Aage Tverdal, (2009). Persistence of statin treatment by socioeconomic status. Pharmacoepidemiology and Drug Safety doi: 10.1002/pds
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). BZD use in the entire norwegian population according to age, gender and disability pension status-A register linkage study. Pharmacoepidemiology and Drug Safety s. S92-S93. doi: 10.1002/pds
- Ingeborg Hartz, Aage Tverdal, Svetlana Skurtveit, (2009). Disability pension as predictor of continued use of benzodiazepines. Pharmacoepidemiology and Drug Safety doi: 10.1002/pds
- Tomas Log, Svetlana Skurtveit, Ingeborg Hartz, Aage Tverdal, Marte Handal, Kari Furu, (2009). The effect of adolescent smoking on opioid use-A prospective population based cohort study. Pharmacoepidemiology and Drug Safety s. S235-S236. doi: 10.1002/pds
- Svetlana Skurtveit, Kari Furu, Randi Marie Selmer, Marte Handal, Aage Tverdal, (2009). Nicotine dependence predicts problematic use of prescribed opioids. Prospective population based cohort study. Pharmacoepidemiology and Drug Safety doi: 10.1002/pds.1806
- Hege Salvesen Blix, Vidar Hjellvik, Irene Litleskare, Marit Rønning, Aage Tverdal, (2009). Is cigarette smoking a risk factor for subsequent use of antibiotics?. Pharmacoepidemiology and Drug Safety s. S98-S99. doi: 10.1002/pds.1806
- Vidar Hjellvik, Randi Marie Selmer, Hege Salvesen Blix, Solveig Sakshaug, Aage Tverdal, (2009). Persistence of antihypertensive therapy by socioeconomic status. Pharmacoepidemiology and Drug Safety s. S131-S132. doi: 10.1002/pds
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