title: Letter: Management of Klinefelter's syndrome.
mesh_terms: D000293:Adolescent; D002648:Child; D002653:Child Behavior Disorders / Q000209:etiology; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007713:Klinefelter Syndrome / Q000150:complications / Q000188:drug therapy / Q000628:therapy*; D008297:Male; D011613:Psychotherapy; D013739:Testosterone / Q000627:therapeutic use
chemical_list: D013739:Testosterone