![](http://www.rhinoresourcecenter.com/style_images/1/cat_arrow.gif) | Mulder, J.S., 2011. Phytoestrogen binding capacity to in vitro produced southern white rhino estrogen receptors: a comparison of native and captive feeds . Report to Institute for Breeding Rare and Endangered African Mammals (IBREAM) and San Diego Zoo's Institute for Conservation Research (CRES): pp. 1-17
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