title: Seasonal variations in blood luteinizing hormone and testosterone levels in rams.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D002980:Climate; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D011485:Protein Binding; D011863:Radioimmunoassay; D012621:Seasons; D012756:Sheep / Q000502:physiology*; D013091:Spermatogenesis; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D007986:Luteinizing Hormone