Abstract

References
1.
Ashley
F. L.
Anson
B. J.
(1946 ) Surg. Gynec. Obstet. , 82 , 498 .
2.
Bacon
H. E.
(1949 ) Anus, Rectum, Sigmoid Colon . 3rd Edition . Philadelphia.
3.
Gabriel
W. B.
(1948 ) The Principles and Practice of Rectal Surgery . London, 4th Edition .
4.
Learmonth
J. R.
(1931 ) Brain , 54 , 147 .
5.
Lockhart-Mummery
J. P.
(1934 ) Diseases of the Rectum and Colon . London, 2nd Edition .
6.
Miles
W. E.
(1944 ) Rectal Surgery . London.
7.
Rankin
F. W.
Bargen
J. A.
Buie
L. A.
(1932 ) The Colon, Rectum and Anus . Philadelphia.
