Bennett, D R Maintenance of unimplanted fertilized ova in spayed rats. II. Effects of progesterone therapy and the duration of the delay in implantation. [electronic resource] - Biology of reproduction Apr 1980 - 500-6 p. digital Publication Type: Journal Article ISSN: 0006-3363 Standard No.: 10.1095/biolreprod22.3.500 doi Subjects--Topical Terms: AnimalsCastrationEmbryo Implantation--drug effectsEstrone--pharmacologyFemaleFertilizationOvum--drug effectsProgesterone--pharmacologyRats