McDonald, P G The effect of ovarian steroids on hypothalamic thresholds for ovulation in the female rat. [electronic resource] - The Journal of endocrinology Mar 1971 - 421-9 p. digital Publication Type: Journal Article ISSN: 0022-0795 Standard No.: 10.1677/joe.0.0490421 doi Subjects--Topical Terms: AnimalsElectric StimulationElectrodesEstradiol--pharmacologyEstrusFallopian TubesFemaleHypothalamus--drug effectsOvulation--drug effectsOvumPregnancyProgesterone--pharmacologyRats