Article Takedown/Update Request

This is an update request for the document Canonical hedgehog signaling augments tumor angiogenesis by induction of VEGF-A in stromal perivascular cells by Weiwei Chen, Tracy Tang, Jeff Eastham-Anderson, Debra Dunlap, Bruno Alicke, Michelle Nannini, Stephen Gould, Robert Yauch, Zora Modrusan, Kelly J. DuPree, Walter C. Darbonne, Greg Plowman, Frederic J. de Sauvage and Christopher A. Callahan

Your paper was deposited in PubMed Central and appears online at http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=3111273
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