Making inferences on treatment effects from real world data: propensity scores, confounding by indication, and other perils for the unwary in observational research

Nick Freemantle(MRC Clinical Trials Unit at UCL), Irene Petersen(Department of Health and Social Care), Kate Walters(Department of Health and Social Care), Louise Marston(University College London), John Wood(The Royal Free Hospital), Matthew R. Reynolds(Harvard University Press)
BMJ
November 11, 2013
Cited by 211


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