Howland, B E Effects of aging on basal levels of serum gonadotropins, ovarian compensatory hypertrophy, and hypersecretion of gonadotropins after ovariectomy in female rats. [electronic resource] - Fertility and sterility Mar 1975 - 271-6 p. digital Publication Type: Journal Article ISSN: 0015-0282 Standard No.: 10.1016/s0015-0282(16)40996-9 doi Subjects--Topical Terms: Adaptation, PhysiologicalAgingAnimalsDepression, ChemicalEstradiol--pharmacologyEstrogens--pharmacologyEstrusFemaleFollicle Stimulating Hormone--bloodGonadotropins--bloodHypertrophyLuteinizing Hormone--bloodOrgan SizeOvary--anatomy & histologyPregnancyRatsVaginal Smears