المؤلفون: Dziki, Adam J., Duncan, Mark D., Harmon, John W., Saini, Nirmal, Malthaner, Richard A., Trad, Karim S., Fernicola, Marie T., Hakki, Fawaz, Ugarte, Richard M.

المصدر: Diseases of the Colon & Rectum; Jun1991, Vol. 34 Issue 6, p442-448, 7p

المؤلفون: Malthaner, Richard A., Hakki, Faris Z., Saini, Nirmal, Andrews, Billy L., Harmon, John W.

المصدر: Diseases of the Colon & Rectum; Apr1990, Vol. 33 Issue 4, p291-297, 7p