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Dormuth CR, Filion KB, Paterson JM, James MT, Teare GF, Raymond CB, Rahme E, Tamim H, Lipscombe L; Canadian Network for Observational Drug Effect Studies Investigators.Dormuth CR, et al. Among authors: filion kb.BMJ. 2014 May 29;348:g3244. doi: 10.1136/bmj.g3244.BMJ. 2014.PMID: 24874977Free PMC article.