title: Letter: Vasectomy: long-term effects.
mesh_terms: D000728:Androgens / Q000096:biosynthesis; D000818:Animals; D004822:Epididymis / Q000473:pathology; D008297:Male; D051381:Rats; D013737:Testis / Q000378:metabolism / Q000473:pathology; D014649:Vas Deferens / Q000473:pathology; D014659:Vasectomy / Q000009:adverse effects*
chemical_list: D000728:Androgens