NorPEN is a network of researcher groups with the aim of facilitating research within the field of pharmacoepidemiology in the Nordic countries.

April 17, 2023

Publications

This list includes papers of the NorPEN members, where collaborators are from more than one Nordic country and are based on data or describe data from more than one Nordic country.

Sodium-glucose co-transporter 2 inhibitor treatment and risk of atrial fibrillation: Scandinavian cohort study
Engstr�m A, Wintzell V, Melbye M, Hviid A, Eliasson B, Gudbj�rnsdottir S, Hveem K, Jonasson C, Svanstr�m H, Pasternak B, Ueda P.
Diabetes Care (2023)
[PubMed]

Impact of In-Utero Antipsychotic Medication Exposure on Congenital Malformations: An International Cohort Study
Huybrechts KF, Straub L, Karlsson P, Pazzagli L, Furu K, Gissler M, Hernandez-Diaz S, N�rgaard M, Zoega H, Bateman BT, Cesta CE, Cohen JM, Leinonen MK, Reutfors J, Selmer RM, Suarez EA, Ulrichsen SP, Kieler H
JAMA Psychiatry (2023)

Prevalence trends and individual patterns of ADHD medication use in pregnancy in Norway and Sweden, 2010-2019
Cohen JM, Srinivas C, Furu K, Cesta CE, Reutfors J, Karlstad �
Eur J Clin Pharmacol (2023)
[PubMed]

Comparative safety of antiseizure medication monotherapy for risk of major congenital malformations
Cohen CM, Alvestad S, Cesta CE, Bj�rk MH, Leinonen MK, N�rgaard M, Einarsd�ttir K, Engeland A, Gissler M, Karlstad �, Kieler H, Klungs�yr K, Odsbu I, Reutfors J, Selmer RM, Tomson T, Ulrichsen SP, Zoega H, Furu K.
Ann Neurol (2023)
[PubMed]

Cancer risk in children of mothers with epilepsy and high-dose folic acid use during pregnancy
Vegrim HM, Dreier JW, Alvestad S, Gilhus NE, Gissler M, Igland J, Leinonen MK, Tomson T, Sun Y, Zoega H, Christensen J, Bj�rk MH
JAMA Neurol (2022)
[PubMed]

Utilization of antidepressants, anxiolytics, and hypnotics during the COVID-19 pandemic in Scandinavia.
Tiger M, Wesselhoeft R, Karlsson P,�Handal M, Bliddal M, Cesta CE, Skurtveit S, Reutfors J
J Effect Disord (2023)
[PubMed]

Use of benzodiazepines and benzodiazepine-related drugs in the Nordic countries between 2000 and 2020
H�jlund M, Gudmundsson LS, Andersen JH, Saastamoinen LK, Zoega H, Skurtveit SO, Wastesson JW, Hallas J, Potteg�rd A
Basic Clin Pharmacol Toxicol (2023)
[PubMed]

Oral anticoagulants in patients with atrial fibrillation at low stroke risk: a multicentre observational study
Komen JJ, Potteg�rd A, Mantel-Teeuwisse AK, Forslund T, Hjemdahl P, Wettermark B, Hallas J, Olesen M, Bennie M, Mueller T, Carragher R,�Karlstad �, Kjerpeseth LJ, Klungel OH
Eur Heart J (2022)
[PubMed]

Risk of Major Cardiovascular and Cerebrovascular Events in Users of Lisdexamfetamine and Other Medications for Attention-Deficit/Hyperactivity Disorder in Denmark and Sweden: A Population-Based Cohort Study
Forns J, Dudukina E, H�gg D, Szentk�ti P, Gembert K, Plana E, Gilsenan A, Horv�th-Puh� E, Ehrenstein V, Reutfors J, Rebordosa C
Neurol Ther (2022)
[PubMed]

COVID-19 vaccination in pregnant women in Sweden and Norway
�rtqvist AK, Dahlqwist E, Magnus MC, Ljung R, Jonsson J, Aronsson B,�Pasternak B, H�berg SE, Stephansson O
Vaccine (2022)
[PubMed]

Association between folic acid use during pregnancy and gestational diabetes mellitus: Two population-based Nordic cohort studies.
Pazzagli L, Segovia Chac�n S, Karampelias C, Cohen JM, Br�ms G, Kieler H, Odsbu I, Selmer R, Andersson O, Cesta CE
PLoS One (2022)
[PubMed]

Effectiveness and safety of non-vitamin K antagonist oral anticoagulants and warfarin in atrial fibrillation: a Scandinavian population-based cohort study
Halvorsen S, Johnsen SP, Madsen M, Linder M, Sulo G, Ghanima W, Gislason G, Hohnloser SH, Jenkins A, Al-Khalili F, Tell GS, Ehrenstein V
Eur Heart J Qual Care Clin Outcomes (2022)
[PubMed]

Trends in use of attention deficit hyperactivity disorder medication among children and adolescents in Scandinavia in 2010-2020.
S�rensen AMS, Wesselh�ft R, Andersen JH, Reutfors J, Cesta CE, Furu K, Hartz I, Rasmussen L
Eur Child Adolesc Psychiatry (2023)
[PubMed]

Association of Prenatal Exposure to Antiseizure Medication with Risk of Autism and Intellectual Disability
Bj�rk M, Zoega H, Leinonen MK, Cohen JM, Dreier JW, Furu K, Gilhus NE, Gissler M, Halfdanarson O, Igland J, Sun Y, Tomson T, Alvestad S, Christensen J
JAMA Neurol (2022)
[PubMed]

Prenatal exposure to nitrofurantoin and risk of childhood leukaemia: a registry-based cohort study in four Nordic countries.
Hjorth S, Potteg�rd A, Broe A, Hemmingsen CH, Leinonen MK, Hargreave M, N�rby U, Nordeng H.
Int J Epidemiol (2022)
[PubMed]

SARS-CoV-2 Vaccination and Myocarditis in a Nordic Cohort Study of 23 Million Residents
Karlstad �, Hovi P, Husby A, H�rk�nen T, Selmer RM, Pihlstr�m N, Hansen JV, Nohynek H, Gunnes N, Sundstr�m A, Wohlfahrt J, Nieminen TA, Gr�newald M, Gulseth HL, Hviid A, Ljung R
JAMA Cardiol (2022)
[PubMed]

Antipsychotic use in pregnancy and risk of attention/deficit-hyperactivity disorder and autism spectrum disorder: a Nordic cohort study.
H�lfd�narson �, Cohen JM, Karlstad �, Cesta CE, Bj�rk MH, H�berg SE, Einarsd�ttir K, Furu K, Gissler M, Hjellvik V, Kieler H, Leinonen MK, N�rgaard M, �zt�rk Essen B, Ulrichsen SP, Reutfors J, Zoega H
Evid Based Ment Health (2022)
[PubMed]

Sodium-Glucose Cotransporter 2 Inhibitors and Risk of Bladder and Renal Cancer: Scandinavian Cohort Study
Ueda P, Svanstr�m H, Hviid A, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Wintzell V, Melbye M, Pasternak B
Diabetes Care (2022)
[PubMed]

Prescription opioids among older adults: ten years of data across five countries
Hamina A, Muller AE, Clausen T, Skurtveit S, Hesse M, Tjagvad C, Thylstrup B,�Odsbu I, Zoega H, J�nsd�ttir HL, Taipale H
BMC Geriatr (2022)
[PubMed]

Antipsychotic use in pregnancy and risk of attention/deficit-hyperactivity disorder and autism spectrum disorder: A Nordic cohort study and sibling analysis
Halfdanarson O, Cohen JM, Karlstad �, Cesta CE, Bj�rk MH, H�berg SE, Einarsd�ttir K, Furu K, Gissler M, Hjellvik V, Kieler H, Leinonen MK, Mette N�rgaard M, Essen B�, Ulrichsen SP, Reutfors J, Zoega H.
Evid Based Ment Health (2022)
[PubMed]

Association of SARS-CoV-2 Vaccination During Pregnancy With Pregnancy Outcomes
Magnus MC, �rtqvist AK, Dahlqwist E, Ljung R, Sk�r F, Oakley L, Macsali F, Pasternak B, Gjessing HK, H�berg SE, Stephansson O
JAMA (2022)
[PubMed]

The comparative cardiovascular and renal effectiveness of sodium-glucose co-transporter-2 inhibitors and glucagon-like peptide-1 receptor agonists: A Scandinavian cohort study
Ueda P, Wintzell V, Dahlqwist E, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Melbye M, Hviid A, Svanstr�m H,�Pasternak B
Diabetes Obes Metab (2022)
[PubMed]

Pharmacological and epidemiological considerations while constructing treatment episodes using observational data: A simulation study.
Pazzagli L, Andersen M, Sessa M
Pharmacoepidemiol Drug Saf (2022)
[PubMed]

Investigating the association between prenatal exposure to folic acid and risk of neonatal diabetes/hyperglycemia and type 1 diabetes: A Norwegian register-based study.
Pazzagli L, Karampelias C, Selmer R, Andersson O, Cesta CE
Pediatr diabetes (2021)
[PubMed]

Use of sildenafil and other phosphodiesterase type 5 inhibitors among pregnant women in Scandinavia.
Cesta CE, Segovia Chac�n S, Engeland A, Broe A, Damkier P, Furu K, Kieler H, Karlsson P
Acta Obstet Gynecol Scand (2021)
[PubMed]

Use of non-insulin antidiabetic drugs in children and young adults - A Scandinavian drug utilization study from 2010-2019
Jensen HK, Rasmussen L, Furu K, Karlstad �, Linder M, Cesta CE, Potteg�rd A
Br J Clin Pharmacol (2021)
[PubMed]

Maternal Medication Use and Childhood Cancer in Offspring-Systematic Review and Considerations for Research
Hjorth S, Hemmingsen CH, B�n�vent J, Broe A, Pottegaard A, M�rch LS, Leinonen MK, Kjaer SK, Hargreave M, Nordeng H
Am J Epidemiol (2021)
[PubMed]

Use of Incretin-based Drugs and Risk of Cholangiocarcinoma: Scandinavian Cohort Study
Ueda P, Wintzell V, Melbye M, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Svanstr�m H, Pasternak B
Diabetologia (2021)
[PubMed]

Cardiovascular Risk in Users of Mirabegron Compared with Users of Antimuscarinic Treatments for Overactive Bladder: Findings from a Non-Interventional, Multinational, Cohort Study
Hoffman V, Hallas J, Linder M, Margulis AV, Suehs BT, Arana A, Phiri K, Enger C, Horter L, Odsbu I, Olesen M, Perez-Gutthann S, Xu Y, Kristiansen NS, Appenteng K, de Vogel S, Seeger JD,
Drug Saf (2021)
[PubMed]

Use of hypnotic drugs among children, adolescents, and young adults in Scandinavia
Wesselhoeft R, Rasmussen L, Jensen PB, Jennum PJ, Skurtveit S, Hartz I, Reutfors J, Damkier P, Bliddal M, Potteg�rd A
Acta Psychiatr Scand (2021)
[PubMed]

Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study
Potteg�rd A, Lund LC, Karlstad �, Dahl J, Andersen M, Hallas J, Lidegaard �, Tapia G, Gulseth HL, Ruiz PL, Watle SV, Mikkelsen AP, Pedersen L, S�rensen HT, Thomsen RW, Hviid A
BMJ (2021)
[PubMed]

In utero opioid exposure and risk of infections in childhood: A multinational Nordic cohort study
Mahic M, Hernandez-Diaz S, Wood M, Kieler H, Odsbu I, N�rgaard M, �zt�rk B, Bateman BT, Hjellvik V, Skurtveit S, Handal M
Pharmacoepidemiol Drug Saf (2020), doi: 10.1002/pds.5088

A common data model for harmonization in the Nordic Pregnancy Drug Safety Studies (NorPreSS)
Cohen JM, Cesta CE, Kjerpeseth K, Leinonen MK, H�lfd�narson �, Karlstad �, Karlsson P, Andersen M, Furu K, Hjellvik V
Norsk Epidemiologi (2021); 29 (1-2): 117-123, doi: 10.5324/nje.v29i1-2.4053

Nordic Health Registry-Based Research: A Review of Health Care Systems and Key Registries
Laugesen K, Ludvigsson FJ, Schmidt M, Gissler M, Valdimarsdottir UA, Lunde A, S�rensen HT
Clinical Epidemiology (2021)

Trends in utilization and dosing of antipsychotic drugs in Scandinavia: Comparison of 2006 and 2016
H�jlund M, Potteg�rd A, Johnsen E, Kroken RA, Reutfors J, Munk-J�rgensen P, Correl CU
Br J Pharmacol 2019; 1-9, doi: 10.1111/bcp.13945

Prevalence trends and individual patterns of antiepileptic drug use in pregnancy 2006-2016: A study in the five Nordic countries, United States and Australia.
Cohen JM, Cesta CE, Furu K, Einarsd�ttir K, Gissler M, Havard A, Hernandez-Diaz S, Huybrechts KF, Kieler H, Leinonen MK, Li J, Reutfors J, Schaffer A, Selmer R, Yu Y, Zoega H, Karlstad �.
Pharmacoepidemiol Drug Saf 2020; 1-10. doi: 10.1002/pds.5035.

Antipsychotic drug use in pregnancy: a multinational study from ten countries.
Reutfors J, Cesta CE, Cohen JM, Bateman BT, Brauer R, Einarsd�ttir K, Engeland A, Furu K, Gissler M, Havard A, Hernandez-Diaz S, Huybrechts KF, Karlstad �, Leinonen MK, Li J, Man KCK, Pazzagli L, Schaffer A, Schink T, Wang Z, Yu Y, Zoega H, Br�ms G.
Schizophr Res 2020 Apr 12; S0920-9964(20)30158-4.

Anti-TNF treatment during pregnancy and birth outcomes: A population-based study from Denmark, Finland, and Sweden.
Br�ms G, Kieler H, Ekbom A, Gissler M, Hellgren K, Lahesmaa-Korpinen AM, Pedersen L, Schmitt-Egenolf M, S�rensen HT, Granath F.
Pharmacoepidemiol Drug Saf 2020 Mar; 29(3):316-327.

Risk of adverse birth outcomes after maternal varenicline use: A population-based observational study in Denmark and Sweden.
Pedersen L, Petronis KR, N�rgaard M, Mo J, Fr�slev T, Stephansson O, Granath F, Kieler H, S�rensen HT.
Pharmacoepidemiol Drug Saf. 2020 Jan;29(1):94-102. doi: 10.1002/pds.4894. Epub2019 Nov 11. PubMed PMID: 31713302.

Antidiabetic Medication Use during Pregnancy: An International Utilization Study.
Cesta CE, Cohen JM, Pazzagli L, Bateman BT, Br�ms G, Einarsd�ttir K, Furu K, Havard A, Heino A, Hernandez-Diaz S, Huybrechts KF, Karlstad �, Kieler H, Li J, Leinonen MK, L�vdal Gulseth H, Tran D, Yu Y, Zoega H, Odsbu I.
BMJ Open Diabetes Res Care 2019; 7 (1): e000759.

Trends in antidepressant use among children and adolescents: a Scandinavian drug utilization study.
Wesselhoeft R, Jensen PB, Talati A, Reutfors J, Furu K, Strandberg-Larsen K, Damkier P, Potteg�rd A, Bliddal M.
Acta Psychiatr Scand 2019: 1-9 doi: 10.1111/acps.13116.

Trends in Use of Paracetamol in the Nordic Countries.
Wastesson JW, Martikainen JE, Zoega H, Schmidt M, Karlstad �, Potteg�rd A.
Basic & Clinical Pharmacology & Toxicology (2018) doi: 10.1111/bcpt.13003.

Nonaspirin Nonsteroidal Antiinflammatory Drug Use in the Nordic Countries from a Cardiovascular Risk Perspective
Kristensen KB, Karlstad �, Martikainen JE, Potteg�rd A, Wastesson JW, Zoega H, Schmidt M.
Pharmacotherapy 2019 doi: 10.1002/phar.2217.

Trends in utilization and dosing of antipsychotic drugs in Scandinavia: Comparison of 2006 and 2016.
H�jlund M, Potteg�rd A, Johnsen E.
Br J Clin Pharmacol. 2019;1-9. doi: 10.1111/bcp.13945.

Glucagon-Like Peptide 1 Receptor Agonists and Risk of Diabetic Retinopathy Complications: Cohort Study in Nationwide Registers From Two Countries.
Ueda P, Pasternak B, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Melbye M, Svanstr�m H.
Diabetes Care. 2019 Jun;42(6):e92-e94. doi: 10.2337/dc18-2532.

Association between use of azathioprine and risk of acute pancreatitis in children with inflammatory bowel disease: a Swedish-Danish nationwide cohort study.
Wintzell V, Svanstr�m H, Ol�n O, Melbye M, Ludvigsson JF, Pasternak B.
Lancet Child Adolesc Health. 2019 Mar;3(3):158-165. doi: 10.1016/S2352-4642(18)30401-2.

Use of liraglutide and risk of major cardiovascular events: a register-based cohort study in Denmark and Sweden.
Svanstr�m H, Ueda P, Melbye M, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Pasternak B.
Lancet Diabetes Endocrinol. 2019 Feb;7(2):106-114. doi: 10.1016/S2213-8587(18)30320-6.

Sodium glucose cotransporter 2 inhibitors and risk of serious adverse events: nationwide register based cohort study.
Ueda P, Svanstr�m H, Melbye M, Eliasson B, Svensson AM, Franz�n S, Gudbj�rnsdottir S, Hveem K, Jonasson C, Pasternak B.
BMJ. 2018 Nov 14;363:k4365. doi: 10.1136/bmj.k4365.

Oral Fluconazole in Pregnancy and Risk of Stillbirth and Neonatal Death.
Pasternak B, Wintzell V, Furu K, Engeland A, Neovius M, Stephansson O.
JAMA. 2018 Jun 12;319(22):2333-2335. doi: 10.1001/jama.2018.6237.

Beta-Blocker Use in Pregnancy and the Risk for Congenital Malformations: An International Cohort Study.
Bateman BT, Heide-J�rgensen U, Einarsd�ttir K, Engeland A, Furu K, Gissler M, Hernandez-Diaz S, Kieler H, Lahesmaa-Korpinen AM, Mogun H, N�rgaard M, Reutfors J, Selmer R, Huybrechts KF, Zoega H.
Ann Intern Med. 2018 Nov 20;169(10):665-673. doi: 10.7326/M18-0338. Epub 2018 Oct 16.
[PubMed]

Effect of Maternal Psoriasis on Pregnancy and Birth Outcomes: A Population-based Cohort Study from Denmark and Sweden.
Br�ms G, Haerskjold A, Granath F, Kieler H, Pedersen L, Berglind IA.
Acta Derm Venereol. 2018 Aug 29;98(8):728-734. doi: 10.2340/00015555-2923.
[PubMed]

Association Between Methylphenidate and Amphetamine Use in Pregnancy and Risk of Congenital Malformations: A Cohort Study From the International Pregnancy Safety Study Consortium.
Huybrechts KF, Br�ms G, Christensen LB, Einarsd�ttir K, Engeland A, Furu K, Gissler M, Hernandez-Diaz S, Karlsson P, Karlstad �, Kieler H, Lahesmaa-Korpinen AM, Mogun H, N�rgaard M, Reutfors J, S�rensen HT, Zoega H, Bateman BT.
JAMA Psychiatry. 2018 Feb 1;75(2):167-175. doi: 10.1001/jamapsychiatry.2017.3644.
[PubMed]

Data Resource Profile: The Nordic Obesity Surgery Cohort (NordOSCo).
Tao W, Artama M, von Euler-Chelpin M, Konings P, Ljung R, Lynge E, �lafsd�ttir GH, Pukkala E, Romundstad P, Tryggvadottir L, Wahlin K, Lagergren J.
Int J Epidemiol. 2017 Oct 10. doi: 10.1093/ije/dyx199.
[PubMed]

Cohort profile: the Nordic Antireflux Surgery Cohort (NordASCo).
Maret-Ouda J, Wahlin K, Artama M, Brusselaers N, F�rkkil� M, Lynge E, Mattsson F, Pukkala E, Romundstad P, Tryggvad�ttir L, Euler-Chelpin MV, Lagergren J.
BMJ Open. 2017 Jun 8;7(6):e016505. doi: 10.1136/bmjopen-2017-016505.
[PubMed]

Neuraminidase inhibitors during pregnancy and risk of adverse neonatal outcomes and congenital malformations: population based European register study.
Graner S, Svensson T, Beau AB, Damase-Michel C, Engeland A, Furu K, Hviid A, H�berg SE, M�lgaard-Nielsen D, Pasternak B, Kieler H.
BMJ. 2017 Feb 28;356:j629. doi: 10.1136/bmj.j629.
[PubMed]

Use of drugs for ADHD among adults-a multinational study among 15.8 million adults in the Nordic countries.
Karlstad �, Zo�ga H, Furu K, Bahmanyar S, Martikainen JE, Kieler H, Potteg�rd A.
Eur J Clin Pharmacol. 2016 Sep 1.
[PubMed]

Individual-based versus aggregate meta-analysis in multi-database studies of pregnancy outcomes: The Nordic example of selective serotonin reuptake inhibitors and venlafaxine in pregnancy.
Selmer R, Haglund B, Furu K, Andersen M, N�rgaard M, Zo�ga, H, Kieler H.
Pharmacoepidemiol Drug Saf. 2016 May 19. doi: 10.1002/pds.4033
[PubMed]

Use of SSRI and SNRI Antidepressants during Pregnancy: A Population-Based Study from Denmark, Iceland, Norway and Sweden.
Zoega H, Kieler H, N�rgaard M, Furu K, Valdimarsdottir U, Brandt L, Haglund B.
PLoS One. 2015 Dec 14;10(12):e0144474. doi: 10.1371/journal.pone.0144474. eCollection 2015. PMID: 26657647
[PubMed]

Selective serotonin reuptake inhibitors and venlafaxine in early pregnancy and risk of birth defects: population based cohort study and sibling design.
Furu K, Kieler H, Haglund B, Engeland A, Selmer R, Stephansson O, Valdimarsdottir UA, Zoega H, Artama M, Gissler M, Malm H, N�rgaard M.
BMJ. 2015 Apr 17;350:h1798. doi: 10.1136/bmj.h1798.
[PubMed] [PubMed Central]

Use of antidepressants and association with elective termination of pregnancy: population based case-control study.
Kieler H, Malm H, Artama M, Engeland A, Furu K, Gissler M, N�rgaard M, Stephansson O, Valdimarsdottir U, Zoega H, Haglund B.
BJOG. 2014 Nov 14.
[PubMed]

Nordic databases to evaluate medications in pregnancy.
Kieler H.
Therapie. 2014 Jan-Feb;69(1):65-9. doi: 10.2515/therapie/2014009. Epub 2014 Apr 4.
[PubMed]

The Nordic prescription databases as a resource for pharmacoepidemiological research--a literature review.
Wettermark B, Zo�ga H, Furu K, Korhonen M, Hallas J, N�rgaard M, Almarsdottir A, Andersen M, Andersson Sundell K, Bergman U, Helin-Salmivaara A, Hoffmann M, Kieler H, Martikainen J, Mortensen M, Petzold M, Wallach-Kildemoes H, Wallin C, S�rensen H.
Pharmacoepidemiol Drug Saf. 2013 Jul;22(7):691-9. doi: 10.1002/pds.3457
[PubMed]

Selective serotonin reuptake inhibitors during pregnancy and risk of stillbirth and infant mortality.
Stephansson O, Kieler H, Haglund B, Artama M, Engeland A, Furu K, Gissler M, N�rgaard M, Nielsen RB, Zoega H, Valdimarsd�ttir U.
JAMA. 2013 Jan 2;309(1):48-54. doi: 10.1001/jama.2012.153812.
[PubMed]

Selective serotonin reuptake inhibitors during pregnancy and risk of persistent pulmonary hypertension in the newborn: population based cohort study from the five Nordic countries.
Kieler H, Artama M, Engeland A, Ericsson O, Furu K, Gissler M, Nielsen RB, N�rgaard M, Stephansson O, Valdimarsdottir U, Zoega H, Haglund B.
BMJ. 2012 Jan 12;344:d8012. doi: 10.1136/bmj.d8012.
[PubMed]

Use of lithium in the adult populations of Denmark, Norway and Sweden.
Bramness JG, Weitoft GR, Hallas J.
J Affect Disord. 2009 Nov;118(1-3):224-8. doi: 10.1016/j.jad.2009.01.024. Epub 2009 Feb 26.
[PubMed]

The Nordic countries as a cohort for pharmacoepidemiological research.
Furu K, Wettermark B, Andersen M, Martikainen JE, Almarsdottir AB, S�rensen HT.
Basic Clin Pharmacol Toxicol. 2010 Feb;106(2):86-94. doi:10.1111/j.1742-7843.2009.00494.x. Epub 2009 Dec 4. Review.
[PubMed]

SYMPOSIUM (6th NorpEN meeting): Research on drug safety and effectiveness using pharmacoepidemiological databases.
J Intern Med Volume 275, Issue 6, page 547, June 2014.
[PubMed]

Research on drug safety and effectiveness using pharmacoepidemiological databases.
M. Andersen
J Intern Med. 2014 Jun;275(6):548-50. doi: 10.1111/joim.12235
[PubMed]

Combining multiple healthcare databases for postmarketing drug and vaccine safety surveillance: why and how?
G. Trifir�, P. M. Coloma, P. R. Rijnbeek, S. Romio, B. Mosseveld, D. Weibel, J. Bonhoeffer, M. Schuemie, J. van der Lei and M. Sturkenboom.
J Intern Med. 2014 Jun;275(6):551-61. doi: 10.1111/joim.12159
[PubMed]

Use of electronic healthcare records in large-scale simple randomized trials at the point of care for the documentation of value-based medicine.
van Staa TP, Klungel O, Smeeth L.
J Intern Med. 2014 Jun;275(6):562-9. doi: 10.1111/joim.12211.
[PubMed]

Propensity scores for confounder adjustment when assessing the effects of medical interventions using nonexperimental study designs.
St�rmer T, Wyss R, Glynn RJ, Brookhart MA.
J Intern Med. 2014 Jun;275(6):570-80. doi: 10.1111/joim.12197. Epub 2014 Feb 13.
[PubMed] [PubMed Central]

Use of self-controlled designs in pharmacoepidemiology.
Hallas J, Potteg�rd A.
J Intern Med. 2014 Mar 17. (Epub)
[PubMed]

Application of routine electronic health record databases for pharmacogenetic research.
Yasmina A, Deneer VH, Maitland-van der Zee AH, van Staa TP, de Boer A, Klungel OH.
J Intern Med. 2014 Jun;275(6):590-604. doi: 10.1111/joim.12226.
[PubMed]