Palermo G D, Schlegel P N, Sills E S, Veeck L L, Zaninovic N, Menendez S, Rosenwaks Z
Department of Obstetrics and Gynecology, New York Hospital-Cornell Medical Center, NY 10021, USA.
N Engl J Med. 1998 Feb 26;338(9):588-90. doi: 10.1056/NEJM199802263380905.