Abstract

References
1.
Allingham
W
. (1901 ) Diseases of the Rectum . 7th ed . London; p 74 .
2.
Bacon
H E
. (1941 ) Anus Rectum and Sigmoid Colon . 2nd ed . Philadelphia; p 228 .
3.
Bennett
R C
. (1962 ) Proc. roy. Soc. Med.
55 , 756 .
4.
Bremner
C G
. (1964 ) S. Afr. J. Surg.
12 , 147 .
5.
Gabriel
WB
.(1921 ) Proc. roy. Soc. Med.
14 , Sect. Surg. p 156 .
6.
Gabriel
WB
.(1948 ) The Principles and Practice of Rectal Surgery . 4th ed . London; p 216 .
7.
Gabriel
WB
.(1963 ) The Principles and Practice of Rectal Surgery . 5th ed . London; p 319 .
8.
Grant
S G
. (1923 ) Diseases of Rectum, Anus and Colon . Philadelphia; 1 , 393 .
9.
Jackman
R J
Buie
L A
. (1946 ) J. Amer. med. Ass.
130 , 60 .
10.
Leval
P
Balozet
P
Xau
P
. (1962 ) Rev. Tuberc. (Paris)
26 , 330 .
11.
Morson
B C
. (1968 ) Proc. roy. Soc. Med.
61 , 79 .
12.
Morson
B C
Lockhart-Mummery
H E
. (1959 ) Lancet
ii , 1122 .
13.
Terblanche
J
. (1964 ) S. Afr. med. J.
38 , 406 .
14.
Thompson
H R
. (1962 ) Proc. roy. Soc. Med.
55 , 754 .
