Abstract

References
1.
Anand
S S
. (1956 ) Ann. roy. Coll. Surg. Engl.
19 , 205 .
2.
Anscombe
A R
Keddie
N C
Schofield
P F
. (1967 ) Gut
8 , 337 .
3.
Attwell
J D
Duthie
H L
Goligher
J C
. (1965 ) Brit. J. Surg.
52 , 966 .
4.
Bacon
H E
Pezzuti
J E
. (1966 ) J. Amer. med. Ass.
198 , 1330 .
5.
Bentley
G
Webster
J H
. (1967 ) Brit. J. Surg.
54 , 90 .
6.
Boyce
F F
. (1958 ) Trans. sth. surg. Ass.
69 , 137 .
7.
Davis
A A
. (1933 ) Surg. Gynec. Obstet.
56 , 907 .
8.
Faulkner
R L
. (1964 ) Ann. Surg.
160 , 806 .
9.
Gershon-Cohen
J
Kremens
V
. (1954 ) Radiology
62 , 251 .
10.
Hamandi
W J
Thamer
M A
. (1965 ) Dis. Colon Rect.
8 , 158 .
11.
Hein
D E
. (1964 ) Amer. J. Gastroent.
41 , 151 .
12.
Hoon
J R
Dockerty
M B
Pemberton
J
. (1950 ) Int. Abstr. Surg.
60 , 417 .
13.
Howell
J S
Knapton
P J
. (1964 ) Gut
5 , 524 .
14.
Lewin
K
Swales
J D
. (1966 ) Gastroenterology
50 , 211 .
15.
Lockhart-Mummery
J P
. (1923 ) Diseases of Rectum and Colon . London.
16.
Marshak
R H
Wolf
B S
Eliasoph
J
. (1959 ) Radiology
73 , 707 .
17.
Meyers
S G
Ruble
P E
Ashley
L B
. (1959 ) Amer. J. dig. Dis.
4 , 341 .
18.
Rankine
J A
. (1952 ) J. int. Coll. Surg.
18 , 202 .
19.
Recio
P M
. (1961 ) Dis. Colon Rect.
4 , 439 .
20.
Schofield
P F
. (1965 ) Ann. roy. Coll. Surg. Engl.
36 , 3 .
21.
Stirk
D L
. (1968 ) Brit. J. Surg.
55 , 230 .
22.
Ukil
A C
. (1942 ) Indian med. Gaz.
77 , 613 .
