National Ambulatory Medical Care Survey: 1991 summary.
Schappert
S M
SM
U.S. National Center for Health Statistics, USA.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000553:Ambulatory Care / Q000706:statistics & numerical data*; D002648:Child; D003625:Data Collection; D003710:Demography; D003933:Diagnosis; D004194:Disease / Q000145:classification; D005260:Female; D019538:Health Care Surveys; D006801:Humans; D008297:Male; D008511:Medicine / Q000706:statistics & numerical data*; D008875:Middle Aged; D009819:Office Visits / Q000706:statistics & numerical data*; D013038:Specialization; D014481:United States