Eichele, G. Department of Molecular Embryology, Max Planck Institute for Experimental Endocrinology, Max Planck Society;
http://pdn.sciencedirect.com/science?_ob=MiamiImageURL&_cid=272543&_user=38661&_pii=S0012160697986413&_check=y&_origin=article&_zone=toolbar&_coverDate=15-Aug-1997&view=c&originContentFamily=serial&wchp=dGLzVlV-zSkWb&md5=0a8f815cd276157b3ce38d784d4bae02&pid=1-s2.0-S0012160697986413-main.pdf (Publisher version)
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