title: Controlled ovulation with ovarian and synthetic steroids.
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D005298:Fertility / Q000187:drug effects*; D010060:Ovulation / Q000187:drug effects*; D011374:Progesterone / Q000494:pharmacology*; D011372:Progestins / Q000494:pharmacology*; D012756:Sheep
chemical_list: D011372:Progestins; D011374:Progesterone