E. C. Segerson, D. W. Libby, W. R. Getz and R. D. Randel Angus and Brahman Cows upon Lymphocytes in Vitro Immunosuppressive Effect of Uterine Secretory Protein from 1984, 59:1047-1059. J ANIM SCI http://jas.fass.org/content/59/4/1047 services, is located on the World Wide Web at: The online version of this article, along with updated information and www.asas.org by guest on July 12, 2011 jas.fass.org Downloaded from