title: Serum luteinizing hormone concentrations in dairy heifers after intravenous and intrauterine administration of luteinizing hormone-releasing hormone.
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000008:administration & dosage*; D007267:Injections; D007275:Injections, Intravenous; D007986:Luteinizing Hormone / Q000097:blood*; D014599:Uterus
chemical_list: D007987:Gonadotropin-Releasing Hormone; D007986:Luteinizing Hormone