title: Sample design, sampling variance, and estimation procedures for the National Ambulatory Medical Care Survey.
authors.forename: E
authors.initials: E
authors.lastname: Bryant
authors.forename: I
authors.initials: I
authors.lastname: Shimizu
mesh_terms: D000553:Ambulatory Care / Q000706:statistics & numerical data*; D003625:Data Collection / Q000379:methods; D006306:Health Surveys; D013223:Statistics as Topic; D014481:United States