title: [Atypical Klinefelter's syndrome with XXXY-chromosomes].
mesh_terms: D000328:Adult; D006801:Humans; D007006:Hypogonadism / Q000175:diagnosis; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D008938:Mitosis; D012730:Sex Chromosomes
vernacular_title: Atypisches Klinefelter-Syndrom mit XXXY-Geschlechtschromosomen.