| Trends in use and misuse of opioids in the Netherlands: a retrospective, multi-source database study GA Kalkman, C Kramers, RT van Dongen, W van den Brink, ... The Lancet Public Health 4 (10), e498-e505, 2019 | 165 | 2019 |
| Is Europe facing an opioid crisis like the United States? An analysis of opioid use and related adverse effects in 19 European countries between 2010 and 2018 M Pierce, J van Amsterdam, GA Kalkman, A Schellekens, ... European Psychiatry 64 (1), e47, 2021 | 69 | 2021 |
| Monitoring opioids in Europe: The need for shared definitions and measuring drivers of opioid use and related harms GA Kalkman, W van den Brink, M Pierce, F Atsma, KCP Vissers, ... European Addiction Research 28 (3), 231-240, 2022 | 24 | 2022 |
| Prediction of clinically relevant adverse drug events in surgical patients JM Bos, GA Kalkman, H Groenewoud, PMLA van den Bemt, ... PloS one 13 (8), e0201645, 2018 | 18 | 2018 |
| Bisecting microfluidic channels with metallic nanowires fabricated by nanoskiving GA Kalkman, Y Zhang, E Monachino, K Mathwig, ME Kamminga, ... ACS nano 10 (2), 2852-2859, 2016 | 18 | 2016 |
| Is combined use of SSRIs and NSAIDs associated with an increased risk of starting peptic ulcer treatment? KB Pouwels, GA Kalkman, D Schagen, ST Visser, E Hak British Journal of Clinical Pharmacology 78 (1), 192, 2014 | 12 | 2014 |
| The North American opioid crisis: a European perspective GA Kalkman, C Kramers, W van den Brink, AFA Schellekens The Lancet 400 (10361), 1404, 2022 | 9 | 2022 |
| The effects of substitution of hospital ward care from medical doctors to physician assistants on non-adherence to guidelines on medication prescribing JM Bos, MJC Timmermans, GA Kalkman, PMLA van den Bemt, ... PloS one 13 (8), e0202626, 2018 | 9 | 2018 |
| Practice variation in opioid prescribing for non-cancer pain in Dutch primary care: A retrospective database study GA Kalkman, C Kramers, RT van Dongen, HJ Schers, RLM van Boekel, ... PLoS One 18 (2), e0282222, 2023 | 4 | 2023 |
| Tackling rising numbers of opioid prescriptions users GA Kalkman, C Kramers, RT van Dongen, W van den Brink, ... The Lancet Public Health 5 (3), e139, 2020 | 4 | 2020 |
| Adherence to recommended care for antibiotic use in ICU patients: a retrospective case record study B Wollersheim, MC Kallen, MJ Roos-Blom, MAH Berrevoets, GA Kalkman, ... Antibiotic stewardship, 241, 2018 | 2 | 2018 |
| Use of Vitamin K Antagonists Is Associated with Increased Mortality in Chronic Obstructive Pulmonary Disease I Piscaer, GA Kalkman, H Fleuren, W Janssens, EFM Wouters, ... B102. CLINICAL TRIALS AND STUDIES IN COPD, A4234-A4234, 2018 | 2 | 2018 |
| External validity of an automated delirium prediction model (DEMO) and comparison to the manual VMS-questions: a retrospective cohort study MIM Ali, GA Kalkman, CHW Wijers, HWHA Fleuren, C Kramers, ... International Journal of Clinical Pharmacy 45 (5), 1128-1135, 2023 | 1 | 2023 |
| Europe has much to do to improve the quality of and access to safe pain management–Authors' reply GA Kalkman, C Kramers, W van den Brink, AFA Schellekens The Lancet 401 (10389), 1651-1652, 2023 | | 2023 |
| Psychiatric risk factors for chronic high-dose opioid prescribing: register-based cohort study MMC van der Hoorn, GA Kalkman, YM Weesie, F Atsma, A Schellekens BJPsych Open 9 (3), e74, 2023 | | 2023 |
| Trends in use and misuse of opioids in the Netherlands G Kalkman, C Kramers, RTM van Dongen, W Brink, AFA Schellekens | | 2019 |
| Dataset belonging to: Prediction of clinically relevant adverse drug events in surgical patients JM Bos, GA Kalkman, H Groenewoud, PM van den Bemt, P de Smet, ... DANS EASY, 2018 | | 2018 |
