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Xenopus frizzled-4S, a splicing variant of Xfz4 is a context-dependent activator and inhibitor of Wnt/β-catenin signaling
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* Corresponding author: Herbert Steinbeisser herbert.steinbeisser@med.uni-heidelberg.de
Cell Communication and Signaling 2005, 3:12 doi:10.1186/1478-811X-3-12