Evans J P, Bambach C P, Andrew S, Dwight T, Richardson A L, Robinson B G, Delbridge L
Department of Surgery, Royal North Shore Hospital, St Leonards, New South Wales, Australia.
Aust N Z J Surg. 1997 Nov;67(11):824-6. doi: 10.1111/j.1445-2197.1997.tb04599.x.