title: Preliminary studies on manganese free radical in vasectomy.
mesh_terms: D000818:Animals; D004822:Epididymis / Q000378:metabolism; D008297:Male; D008345:Manganese / Q000378:metabolism*; D051381:Rats; D013094:Spermatozoa / Q000378:metabolism; D014659:Vasectomy
chemical_list: D008345:Manganese