title: Power and sample size in clinical studies.
authors.affiliation: Division of Cardiovascular Disease, University of Alabama at Birmingham, LHRB 313, 1720 Second Avenue South, Birmingham, AL, 35294, USA. tmbrown@uab.edu.
authors.forename: Todd M
authors.initials: TM
authors.lastname: Brown
mesh_terms: D035843:Biomedical Research; D002986:Clinical Trials as Topic; D006801:Humans; D015233:Models, Statistical; D012107:Research Design; D018401:Sample Size