ADOLESCENT MEDICINE: A SURVEY IN THE UNITED STATES AND CANADA.
D000293:Adolescent; D000295:Adolescent Medicine; D002170:Canada; D002648:Child; D006761:Hospitals; D006801:Humans; D010044:Outpatient Clinics, Hospital; D010372:Pediatrics; D013223:Statistics as Topic; D014481:United States
ADOLESCENCE; CANADA; HOSPITAL OUTPATIENT CLINICS; HOSPITALS; PEDIATRICS; STATISTICS; UNITED STATES