| The Danish national prescription registry H Wallach Kildemoes, H Toft Sørensen, J Hallas Scandinavian journal of public health 39 (7_suppl), 38-41, 2011 | 2270 | 2011 |
| Data resource profile: the Danish national prescription registry A Pottegård, SAJ Schmidt, H Wallach-Kildemoes, HT Sørensen, J Hallas, ... International journal of epidemiology 46 (3), 798-798f, 2017 | 1229 | 2017 |
| The Danish prescription registries. D Gaist, HT Sørensen, J Hallas Danish medical bulletin 44 (4), 445-448, 1997 | 649 | 1997 |
| Use of single and combined antithrombotic therapy and risk of serious upper gastrointestinal bleeding: population based case-control study J Hallas, M Dall, A Andries, BS Andersen, C Aalykke, JM Hansen, ... Bmj 333 (7571), 726, 2006 | 609 | 2006 |
| Drug related hospital admissions: the role of definitions and intensity of data collection, and the possibility of prevention J Hallas, B Harvald, LF Gram, E Grodum, K Brøsen, T Haghfelt, N Damsbo Journal of internal medicine 228 (2), 83-90, 1990 | 481 | 1990 |
| Use of proton pump inhibitors and the risk of community-acquired pneumonia: a population-based case-control study SE Gulmez, A Holm, H Frederiksen, TG Jensen, J Hallas Archives of internal medicine 167 (9), 950-955, 2007 | 476 | 2007 |
| Statins and risk of polyneuropathy: a case-control study D Gaist, U Jeppesen, M Andersen, LA Garcia Rodriguez, J Hallas, ... Neurology 58 (9), 1333-1337, 2002 | 421 | 2002 |
| Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study A Pottegård, LC Lund, Ø Karlstad, J Dahl, M Andersen, J Hallas, ... bmj 373, 2021 | 416 | 2021 |
| Polypharmacy: correlations with sex, age and drug regimen A prescription database study: A prescription database study L Bjerrum, J Søgaard, J Hallas, J Kragstrup European journal of clinical pharmacology 54, 197-202, 1998 | 406 | 1998 |
| Classification of myocardial infarction: frequency and features of type 2 myocardial infarction L Saaby, TS Poulsen, S Hosbond, TB Larsen, ACP Diederichsen, J Hallas, ... The American journal of medicine 126 (9), 789-797, 2013 | 400 | 2013 |
| Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort M Reilev, KB Kristensen, A Pottegård, LC Lund, J Hallas, MT Ernst, ... International journal of epidemiology 49 (5), 1468-1481, 2020 | 349 | 2020 |
| Complicated and uncomplicated peptic ulcers in a Danish county 1993–2002: a population-based cohort study A Lassen, J Hallas, OBS de Muckadell Official journal of the American College of Gastroenterology| ACG 101 (5 …, 2006 | 342 | 2006 |
| Long-term cardiovascular safety of febuxostat compared with allopurinol in patients with gout (FAST): a multicentre, prospective, randomised, open-label, non-inferiority trial IS Mackenzie, I Ford, G Nuki, J Hallas, CJ Hawkey, J Webster, SH Ralston, ... The Lancet 396 (10264), 1745-1757, 2020 | 318 | 2020 |
| Comorbidity in elderly cancer patients in relation to overall and cancer-specific mortality TL Jørgensen, J Hallas, S Friis, J Herrstedt British journal of cancer 106 (7), 1353-1360, 2012 | 316 | 2012 |
| Drug related admissions to medical wards: a population based survey. J Hallas, LF Gram, E Grodum, N Damsbo, K Brosen, T Haghfelt, B Harvald, ... British journal of clinical pharmacology 33 (1), 61-68, 1992 | 315 | 1992 |
| Effect of an in-hospital multifaceted clinical pharmacist intervention on the risk of readmission: a randomized clinical trial LV Ravn-Nielsen, ML Duckert, ML Lund, JP Henriksen, ML Nielsen, ... JAMA internal medicine 178 (3), 375-382, 2018 | 313 | 2018 |
| Evidence of depression provoked by cardiovascular medication: a prescription sequence symmetry analysis J Hallas Epidemiology 7 (5), 478-484, 1996 | 294 | 1996 |
| Post-acute effects of SARS-CoV-2 infection in individuals not requiring hospital admission: a Danish population-based cohort study LC Lund, J Hallas, H Nielsen, A Koch, SH Mogensen, NC Brun, ... The Lancet Infectious Diseases 21 (10), 1373-1382, 2021 | 262 | 2021 |
| Methods for estimating the occurrence of polypharmacy by means of a prescription database L Bjerrum, JU Rosholm, J Hallas, J Kragstrup European journal of clinical pharmacology 53, 7-11, 1997 | 258 | 1997 |
| The relationship between paroxetine and the sparteine oxidation polymorphism SH Sindrup, K Brøsen, LF Gram, J Hallas, E Skjelbo, A Allen, GD Allen, ... Clinical Pharmacology & Therapeutics 51 (3), 278-287, 1992 | 258 | 1992 |
Anton PottegårdProfessor, University of Southern DenmarkEmail verificata su health.sdu.dk