Abstract

References
1.
Buie
L. A.
(1931 ) Mayo Clinic Monographs , p. 165 .
2.
Gabriel
W. B.
(1930 ) Brit. med. J. (ii), 311 .
3.
Gabriel
W. B.
(1949 ) Rectal Surgery , XI , 236 . London.
4.
Morgan
C. N.
(1935 ) Brit. med. J. (ii), 938 .
5.
Yeomans
F. C.
Gorsch
R. V.
Mathesheimer
J. E.
(1927 ) Trans. Amer. Proct. Soc. , p. 24 .
