title: Identification of steroids of high activity for control of the oestrous cycle in the dairy heifer.
mesh_terms: D000085:Acetates / Q000494:pharmacology; D000818:Animals; D002417:Cattle; D004962:Estranes / Q000494:pharmacology; D004971:Estrus / Q000187:drug effects*; D005260:Female; D005461:Fluorine / Q000494:pharmacology; D007664:Ketosteroids / Q000494:pharmacology; D007783:Lactones / Q000494:pharmacology; D009639:Norethandrolone / Q000494:pharmacology; D009654:Norsteroids / Q000494:pharmacology; D011247:Pregnancy; D011278:Pregnanes / Q000494:pharmacology
chemical_list: D000085:Acetates; D004962:Estranes; D007664:Ketosteroids; D007783:Lactones; D009654:Norsteroids; D011278:Pregnanes; D005461:Fluorine; D009639:Norethandrolone