[On the etiology of aspermia].
D053714:Aspermia; D002979:Climacteric; D006801:Humans; D007246:Infertility; D007248:Infertility, Male; D008297:Male; D008593:Menopause; D011470:Prostatic Hyperplasia; D011472:Prostatitis
CLIMACTERIC; PROSTATIC HYPERTROPHY; PROSTATITIS; STERILITY, MALE