by Hibbert, Milo L., Buller, Jerome L., Seymour, Stephen D., Poore, Stephen E., Davis, Gary D.
Published in Obstetrics and gynecology (New York. 1953) (01.08.1997)

by Stephen Tannenbaum, Seymour D. Reich, The Editor responds, Mike Sawyer, Judith & Anthony Luder
Published in The Jerusalem post (19.05.2006)