National Ambulatory Medical Care Survey: 1989 summary.
DeLozier
J E
JE
Division of Health Care Statistics, National Center for Health Statistics.
Gagnon
R O
RO
D000367:Age Factors; D000553:Ambulatory Care / Q000706:statistics & numerical data*; D003625:Data Collection; D003933:Diagnosis; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008511:Medicine / Q000706:statistics & numerical data*; D009017:Morbidity; D009309:National Center for Health Statistics, U.S.; D009819:Office Visits / Q000706:statistics & numerical data*; D013038:Specialization; D014481:United States / Q000453:epidemiology