Sandra A. Founds, Yvette P. Conley, James F. Lyons-Weiler, Arun Jeyabalan, W. Allen Hogge, Kirk P. Conrad
Placenta.
Author manuscript; available in PMC 2010 Jan 1.Published in final edited form as: Placenta. 2009 Jan; 30(1): 15–24. Published online 2008 Nov 21. doi: 10.1016/j.placenta.2008.09.015