Office visits for diseases of the respiratory system. The National Ambulatory Medical Care Survey United States, 1975-76.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D000553:Ambulatory Care / Q000706:statistics & numerical data*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D010548:Personal Health Services / Q000706:statistics & numerical data*; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy*; D014481:United States