title: Letter: S.L.E. and Klinefelter's syndrome.
mesh_terms: D000328:Adult; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000150:complications / Q000235:genetics*; D008180:Lupus Erythematosus, Systemic / Q000150:complications / Q000235:genetics*; D008297:Male; D012730:Sex Chromosomes