title: Estimating treatment effects from observational data: dissonant and resonant notes from the SYMPHONY trials.
authors.forename: Karin B
authors.initials: KB
authors.lastname: Michels
authors.forename: Eugene
authors.initials: E
authors.lastname: Braunwald
mesh_terms: D000208:Acute Disease; D000789:Angina, Unstable / Q000188:drug therapy*; D015982:Bias; D015331:Cohort Studies; D003627:Data Interpretation, Statistical; D006801:Humans; D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors / Q000627:therapeutic use*; D009203:Myocardial Infarction / Q000188:drug therapy*; D010043:Outcome and Process Assessment, Health Care; D016032:Randomized Controlled Trials as Topic
chemical_list: D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors