title: Sample size: when is enough enough?
authors.affiliation: Department of Psychiatry and Behavioral Sciences, Stanford University, California.
authors.forename: H C
authors.initials: HC
authors.lastname: Kraemer
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D011897:Random Allocation; D012107:Research Design; D012494:Sampling Studies