title: Observatons on the luteolytic effects of prostaglandin F 2   during the oestrous cycle and early pregnancy in the ewe.
mesh_terms: D000818:Animals; D003338:Corpus Luteum / Q000187:drug effects*; D004971:Estrus; D005260:Female; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011453:Prostaglandins / Q000494:pharmacology*; D012756:Sheep / Q000502:physiology*
chemical_list: D011453:Prostaglandins; D011374:Progesterone