title: Elongation of oestrous cycle in the guinea-pig following active immunisation against prostaglandin F-2 alpha.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D002417:Cattle; D003429:Cross Reactions; D004338:Drug Combinations; D004971:Estrus / Q000187:drug effects*; D005260:Female; D006168:Guinea Pigs; D007110:Immunity, Active; D007114:Immunization; D007271:Injections, Intradermal; D011247:Pregnancy; D011453:Prostaglandins / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology*; D012710:Serum Albumin, Bovine / Q000008:administration & dosage / Q000494:pharmacology*; D013268:Stimulation, Chemical; D013997:Time Factors; D014316:Tritium; D014626:Vaginal Smears
chemical_list: D000906:Antibodies; D004338:Drug Combinations; D011453:Prostaglandins; D014316:Tritium; D012710:Serum Albumin, Bovine