title: Testicular surprises in two apparently healthy young men.
mesh_terms: D000328:Adult; D006801:Humans; D007713:Klinefelter Syndrome / Q000473:pathology*; D008297:Male; D012708:Sertoli Cells / Q000473:pathology*; D013733:Testicular Diseases / Q000473:pathology*; D013737:Testis / Q000473:pathology*