Siegel, H I Hormonal basis of hysterectomy-induced maternal behavior during pregnancy in the rat. [electronic resource] - Hormones and behavior Sep 1975 - 211-22 p. digital Publication Type: Journal Article ISSN: 0018-506X Standard No.: 10.1016/0018-506x(75)90008-2 doi Subjects--Topical Terms: AnimalsCastrationEstradiol--pharmacologyFemaleHysterectomyMaternal BehaviorPregnancyPregnancy, AnimalProgesterone--pharmacologyRatsTime Factors