Letter: S.L.E. and Klinefelter's syndrome.
D000328:Adult; D006801:Humans; D007713:Klinefelter Syndrome / Q000150:complications* / Q000235:genetics; D008180:Lupus Erythematosus, Systemic / Q000209:etiology* / Q000235:genetics; D008297:Male; D012728:Sex Chromatin / Q000032:analysis