title: Bioassay of endometrial luteolytic factor in rats.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002417:Cattle; D004305:Dose-Response Relationship, Drug; D004717:Endometrium / Q000502:physiology*; D005260:Female; D011453:Prostaglandins / Q000494:pharmacology; D011555:Pseudopregnancy; D051381:Rats; D012044:Regression Analysis; D012756:Sheep; D013045:Species Specificity
chemical_list: D011453:Prostaglandins