title: An introduction to sample size and power.
authors.affiliation: Department of Pediatrics, St. Francis Hospital and Medical Center, University of Connecticut School of Medicine, Hartford, CT 06105, USA. BBernste@StFrancisCare.org
authors.forename: Bruce A
authors.initials: BA
authors.lastname: Bernstein
mesh_terms: D016001:Confidence Intervals; D012107:Research Design / Q000706:statistics & numerical data*; D018401:Sample Size; D013223:Statistics as Topic / Q000379:methods*