title: An XXXXY-XXXY Klinefelter mosaic in man.
mesh_terms: D000328:Adult; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics*; D007962:Leukocytes / Q000166:cytology; D008297:Male; D009030:Mosaicism; D012729:Sex Chromosome Aberrations