Problems in understanding adolescents.
D000124:Achievement; D000293:Adolescent; D001007:Anxiety; D003142:Communication; D003674:Defense Mechanisms; D005194:Family Practice; D005201:Fantasy; D005260:Female; D006791:Hostility; D006801:Humans; D008149:Love; D008297:Male; D010287:Parent-Child Relations; D010553:Personality Development; D010817:Physician-Patient Relations; D000297:Psychology, Adolescent; D012649:Self Concept; D012925:Social Conformity; D012934:Social Isolation; D013334:Students; D019966:Substance-Related Disorders