title: A survey of the problems of normal 15-year-olds.
mesh_terms: D000124:Achievement; D001007:Anxiety / Q000523:psychology*; D004651:Employment; D004739:England; D005190:Family; D006801:Humans; D010379:Peer Group; D000297:Psychology, Adolescent; D011602:Psychophysiologic Disorders / Q000523:psychology; D012649:Self Concept; D011795:Surveys and Questionnaires