title: Sample calculations for comparison of 2 means.
authors.affiliation: Statistics and Research Design.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Pandis
mesh_terms: D000465:Algorithms; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D006801:Humans; D061366:Numbers Needed To Treat / Q000706:statistics & numerical data; D018401:Sample Size