Quasi-experimental study designs series—paper 1: introduction: two historical lineages

Journal of Clinical Epidemiology - Tập 89 - Trang 4-11 - 2017
Till Bärnighausen1,2,3, John-Arne Røttingen2,4, Peter Rockers5, Ian Shemilt6, Peter Tugwell7
1Heidelberg Institute of Public Health, Heidelberg University, Heidelberg, Germany
2Harvard T.H. Chan School of Public Health, Boston, USA
3Africa Health Research Institute, KwaZulu-Natal, South Africa
4Norwegian Institute of Public Health, Oslo, Norway
5Boston University, Boston, USA
6University College London (UCL), London, USA
7Department of Medicine, University of Ottawa, Ottawa, Canada

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