title: Unusual chromosomal variant in Klinefelter's syndrome.
mesh_terms: D000328:Adult; D001827:Body Height; D005260:Female; D006801:Humans; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D012730:Sex Chromosomes / Q000648:ultrastructure*; D014960:X Chromosome / Q000648:ultrastructure*