title: Sample size: profound implications of mundane calculations.
authors.affiliation: Department of Pediatrics, La Rabida Children's Hospital, Chicago, IL 60649.
authors.forename: J D
authors.initials: JD
authors.lastname: Lantos
mesh_terms: D015510:Clinical Medicine / Q000592:standards*; D003627:Data Interpretation, Statistical; D006801:Humans; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D012586:Science / Q000592:standards*; D015983:Selection Bias