title: A progesterone-like factor detected by bioassay in the blood of the toad (Bufo bufo) shortly before induced ovulation.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002023:Bufo bufo / Q000502:physiology*; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D005260:Female; D008540:Meiosis; D010057:Oviducts / Q000378:metabolism; D010060:Ovulation; D010063:Ovum / Q000166:cytology; D011374:Progesterone / Q000097:blood*; D012098:Reproduction; D012621:Seasons; D013268:Stimulation, Chemical
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone