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Hu Y, Nephew KP, Pope WF, Day ML.Hu Y, et al. Among authors: pope wf.J Anim Sci. 1991 Jun;69(6):2532-7. doi: 10.2527/1991.6962532x.J Anim Sci. 1991.PMID: 1885368
Nephew KP, Ford SP, Day ML, Pope WF.Nephew KP, et al. Among authors: pope wf.Domest Anim Endocrinol. 1989 Oct;6(4):363-70. doi: 10.1016/0739-7240(89)90030-1.Domest Anim Endocrinol. 1989.PMID: 2620506
Cárdenas H, Burke KA, Bigsby RM, Pope WF, Nephew KP.Cárdenas H, et al. Among authors: pope wf.Biol Reprod. 2001 Jul;65(1):128-34. doi: 10.1095/biolreprod65.1.128.Biol Reprod. 2001.PMID: 11420232
Nephew KP, McClure KE, Day ML, Xie S, Roberts RM, Pope WF.Nephew KP, et al. Among authors: pope wf.J Anim Sci. 1990 Sep;68(9):2766-70. doi: 10.2527/1990.6892766x.J Anim Sci. 1990.PMID: 2211405