title: Sample size and power: how big is big enough?
authors.affiliation: Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts 02115, USA. fitzmaur@hsph.harvard.edu
authors.forename: Garrett
authors.initials: G
authors.lastname: Fitzmaurice
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D006801:Humans; D015233:Models, Statistical; D012107:Research Design; D018401:Sample Size