title: Re: The design versus the analysis of observational studies for causal effects: parallels with the design of randomized trials.
authors: Ian
authors: I
authors: Shrier
mesh_terms: D015984:Causality; D003627:Data Interpretation, Statistical; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008297:Male; D015233:Models, Statistical; D016032:Randomized Controlled Trials as Topic / Q000266:history / Q000379:methods / Q000706:statistics & numerical data*; D012107:Research Design / Q000706:statistics & numerical data*; D012907:Smoking / Q000009:adverse effects; D014481:United States