Male infertility.
D057487:Enzyme Therapy; D006801:Humans; D007248:Infertility, Male / Q000175:diagnosis / Q000628:therapy*; D008297:Male; D012661:Semen / Q000032:analysis* / Q000187:drug effects; D013094:Spermatozoa / Q000032:analysis; D004798:Enzymes
D004798:Enzymes