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Journal of Clinical Epidemiology|April 12, 2011
Changes in statistical methods affected the validity of official suicide ratesFinn Gjertsen, Lars Age JohanssonJournal of Epidemiology and Community Health|March 16, 2002
Comparing hospital discharge records with death certificates: can the differences be explained?Lars Age Johansson, R WesterlingJournal of Clinical Epidemiology|April 15, 2009
Unexplained differences between hospital and mortality data indicated mistakes in death certification: an investigation of 1,094 deaths in Sweden during 1995Lars Age Johansson, Charlotte Björkenstam, Ragnar WesterlingJournal of Clinical Epidemiology|January 24, 2006
Methodology of studies evaluating death certificate accuracy were flawedLars Age Johansson, Ragnar Westerling, Harry M RosenbergTidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke|January 14, 2003
[Cause of death registry--an important data source for medical research]Finn GjertsenScandinavian Journal of Public Health|December 7, 2017
Drug-related deaths: Statistics based on death certificates miss one-third of casesAnna Fugelstad, Mats Ramstedt, Ingemar Thiblin, et al.Journal of Clinical Epidemiology|October 15, 2005
An international comparison study indicated physicians' habits in reporting diabetes in part I of death certificate affected reported national diabetes mortalityTsung-Hsueh Lu, Sue Walker, Lars Age Johansson, et al.Drug and Alcohol Dependence|July 2, 2019
Opioid-related deaths and previous care for drug use and pain relief in SwedenAnna Fugelstad, Ingmar Thiblin, Lars Age Johansson, et al.BMJ Open|April 22, 2019
Accuracy of mortality statistics in Palestine: a retrospective cohort studySalwa Massad, Hadil Dalloul, Asad Ramlawi, et al.Global Epidemiology|August 28, 2023
Accuracy of fatal occupational injury registration in a high-income country: A comparison of two-source capture-recapture estimates with the number of cases identified in four register systems in Norway, 2000-2003Finn Gjertsen, Johan Lund, Ebba WergelandPageof 3