[2 ORIGINAL CASES OF KLINEFELTER SYNDROME: DOUBLE MALE XXYY AND MOSAIC XX-XXY].
D000293:Adolescent; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D006801:Humans; D007713:Klinefelter Syndrome; D009030:Mosaicism
ADOLESCENCE; CHROMOSOME ABNORMALITIES; KLINEFELTER'S SYNDROME; MOSAICISM
DEUX OBSERVATIONS ORIGINALES DE SYNDROME DE KLINEFELTER: DOUBLE M ALE XXYY ET MOSAUIQUE XX-XXY.