. . . . "14306475-n"^^ . "114306475"^^ . "XXY-syndrome"@en-us . . "Klinefelter's syndrome"@en-us . "0.125"^^ . . . . . "113495690"@en-us . . . "Klinefelter's syndrome"^^ . . "110444035"@en-us . "Klinefelter syndrome"@en-us . "0"^^ . . "syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male"@en-us .