A. N. Ahmed
Department of Surgery, Jinnah Hospital, Lahore, Pakistan
R. A. Hussain
Department of Surgery, Jinnah Hospital, Lahore, Pakistan
G. Fareed
Department of Surgery, Jinnah Hospital, Lahore, Pakistan
Q. Ashfaque
Department of Surgery, Jinnah Hospital, Lahore, Pakistan
Z. A. Chaudhry
Department of Surgery, Jinnah Hospital, Lahore, Pakistan