Abstract

References
1.
Alexander-Williams
J
Steinberg
D M
Fielding
J S
Thompson
H
Cooke
W T
(1974 ) Gut
15 , 822 –823
2.
Fielding
J F
(1972 ) Journal of the Royal College of Surgeons of Edinburgh
17 , 32 –37
3.
Lockhart-Mummery
H E
(1975 ) Diseases of the Colon and Rectum
18 , 200 –202
4.
Lockhart-Mummery
H E
Morson
B C
(1964 ) Gut
5 , 493 –509
5.
Morson
B C
Lockhart-Mummery
H E
(1959 ) Lancet
ii , 1122 –1123
6.
Ritchie
J K
Lennard-Jones
J E
(1976 ) Scandinavian Journal of Gastroenterology
11 , 433 –436 .
