Klinefelter syndrome.
D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics / Q000451:nursing / Q000523:psychology*; D007859:Learning Disabilities / Q000523:psychology; D008297:Male; D010554:Personality Disorders / Q000523:psychology; D012306:Risk; D012649:Self Concept; D012741:Sexual Maturation