title: Is there a "representative" sample?
authors.forename: Kathryn M
authors.initials: KM
authors.lastname: King
mesh_terms: D002986:Clinical Trials as Topic; D018864:Cultural Diversity; D006801:Humans; D008913:Minority Groups; D009656:North America; D015399:Nursing Research; D018579:Patient Selection; D015983:Selection Bias; D014930:Women