Abstract

References
1.
Basu R.
,
Forshall I.
, &
Rickham P.P.
(1960 ) British Journal of Surgery 47 , 477
2.
Bentley J.F.R.
, &
Smith J.R.
(1960 ) Archives of Disease in Childhood 35 , 76
3.
Downing R.
,
Thompson H.
, &
Alexander-Williams J.
(1978 ) British Journal of Surgery 65 , 572
4.
Kraft R.O.
(1962 ) Annals of Surgery 155 , 230
5.
Lockwood C.B.
(1882 ) British Medical Journal ii , 574
6.
McColl I.
(1963 ) Proceedings of the Royal Society of Medicine 56 , 797
7.
MacLeod J.H.
, &
Purves J.K.
(1970 ) Diseases of the Colon and Rectum 13 , 133
8.
Orr M.M.
, &
Edwards A.J.
(1975 ) British Journal of Surgery 62 , 269
9.
Uhlig B.E.
, &
Johnson R.L.
(1975 ) Diseases of the Colon and Rectum 18 , 581
10.
Van Zwalenburg B.R.
(1952 ) American Journal of Roentgenology 68 , 22
