Sentochnik, Debbie: The Effect of Castration on the Ability of a Male Prairie Vole (Microtus Ochrogaster) to Induce Post-Implantation Pregnancy Block in Conspecifics, 1979, Box: 2. Cornell University Office of Undergraduate Biology honors theses, 53-2-4432. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/919422 Accessed August 31, 2026.