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Purcell, Scott H., Jeremy D. Cantlon, Casey D. Wright, Luiz E. Henkes, George E. Seidel, ja Russell V. Anthony. The Involvement of Proline-Rich 15 in Early Conceptus Development In Sheep. Society for the Study of Reproduction, Inc, 2009.

Purcell, Scott H., et al. The Involvement of Proline-Rich 15 in Early Conceptus Development In Sheep. Society for the Study of Reproduction, Inc, 2009.