The predicament of comparative effectiveness research using observational data.
Curtis JP, Krumholz HM. The predicament of comparative effectiveness research using observational data. Annals Of Internal Medicine 2015, 163: 799-800. PMID: 26501410, PMCID: PMC6467208, DOI: 10.7326/m15-2490.Commentaries, Editorials and LettersAcute Coronary SyndromeComparative Effectiveness ResearchCoronary AngiographyHumansObservational Studies as Topic