Testis biopsy in subfertile men with varicocele.
D001706:Biopsy; D005260:Female; D005854:Germ Cells; D006801:Humans; D007248:Infertility, Male / Q000473:pathology*; D008297:Male; D011247:Pregnancy; D012661:Semen; D013737:Testis / Q000098:blood supply / Q000473:pathology*; D014646:Varicocele / Q000473:pathology* / Q000601:surgery