Downing, S J Tamoxifen and the role of oestrogen in the timing of parturition in the rat. [electronic resource] - Journal of reproduction and fertility Jul 1981 - 519-26 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.0620519 doi Subjects--Topical Terms: AnimalsCastrationEstradiol--pharmacologyEstrogens--physiologyFemaleLabor, Obstetric--drug effectsPregnancyPseudopregnancyRatsTamoxifen--pharmacologyUterine Contraction--drug effects