Frizzled7 Functions as a Wnt Receptor in Intestinal Epithelial Lgr5+ Stem Cells oleh Dustin J. Flanagan, Toby J. Phesse, Nick Barker, Renate H.M. Schwab, Nancy Amin, Jordane Malaterre, Daniel E. Stange, Cameron J. Nowell, Scott A. Currie, Jarel T.S. Saw, Eva Beuchert, Robert G. Ramsay, Owen J. Sansom, Matthias Ernst, Hans Clevers, Elizabeth Vincan