The National Ambulatory Medical Care Survey: 1975 summary. United States, January--December 1975.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000553:Ambulatory Care; D002648:Child; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D011331:Private Practice; D011364:Professional Practice; D014481:United States; D014600:Utilization Review