The Challenges of Observational Comparative Effectiveness Research.
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DOI: 10.1161/circulationaha.119.045178
Abstract: January 28, 2020 237 James A. de Lemos, MD Brahmajee K. Nallamothu, MD T his week’s issue of Circulation includes 3 papers that we expect will generate considerable controversy. These studies use observational study designs… read more here.
Keywords: observational comparative; circulation; study; observational research ... See more keywords