title: Libido and fertility in rams in relation to plasma copper levels.
mesh_terms: D000818:Animals; D001947:Breeding; D003300:Copper / Q000097:blood*; D005260:Female; D005298:Fertility; D007989:Libido; D008297:Male; D012756:Sheep / Q000097:blood / Q000502:physiology*
chemical_list: D003300:Copper