Rayburn William F
Department of Obstetrics and Gynecology, University of New Mexico School of Medicine, 1 University of New Mexico, Albuquerque, NM 87131-0001, USA.
Obstet Gynecol Clin North Am. 2012 Sep;39(3):xvii-xviii. doi: 10.1016/j.ogc.2012.08.001.