title: How big is big enough for epidemiology?
authors.affiliation: Department of Epidemiology, University of Michigan, Survey Research Center, Ann Arbor, MI 48104, USA. gkaplan@umich.edu
authors.forename: George A
authors.initials: GA
authors.lastname: Kaplan
mesh_terms: D016021:Epidemiologic Studies; D006801:Humans; D012107:Research Design; D018401:Sample Size