David R. Friedland, Paul Popper, Rebecca Eernisse, Benjamin Ringger, Joseph A. Cioffi
Anat Rec A Discov Mol Cell Evol Biol.
Author manuscript; available in PMC 2008 Oct 21.Published in final edited form as: Anat Rec A Discov Mol Cell Evol Biol. 2006 Apr; 288(4): 447–465. doi: 10.1002/ar.a.20303