Health care of adolescents by office-based physicians: National Ambulatory Medical Care Survey, 1980-81.
D000293:Adolescent; D000295:Adolescent Medicine; D000553:Ambulatory Care / Q000706:statistics & numerical data*; D003933:Diagnosis; D006801:Humans; D009819:Office Visits / Q000706:statistics & numerical data*; D014481:United States