Teenagers' perceived access to primary health care.
D000293:Adolescent; D016497:Adolescent Health Services / Q000592:standards; D001294:Attitude to Health; D006297:Health Services Accessibility / Q000592:standards*; D006801:Humans; D020380:Needs Assessment; D011320:Primary Health Care / Q000592:standards*; D000297:Psychology, Adolescent; D012572:School Health Services / Q000592:standards; D006113:United Kingdom