title: Inhibition of ovulation by intracranial implantation of progesterone in the 4-day cylic rat.
mesh_terms: D000818:Animals; D002784:Cholesterol / Q000008:administration & dosage / Q000494:pharmacology; D004304:Dosage Forms; D005260:Female; D007279:Injections, Subcutaneous; D010060:Ovulation / Q000187:drug effects*; D010902:Pituitary Gland / Q000187:drug effects*; D011149:Pons / Q000187:drug effects*; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D013238:Stereotaxic Techniques; D014626:Vaginal Smears
chemical_list: D004304:Dosage Forms; D011374:Progesterone; D002784:Cholesterol