Abstract
References
1.
Crapp
A R
,
Powis
S J A
,
Tillotson
P
,
Cooke
W T
. &
Alexander-Williams
J
. (1975 ) Lancet
ii , 1239
2.
Goldring
J
,
Scott
A
,
McNaught
W
. &
Gillespie
G
. (1975 ) Lancet
ii , 997
3.
Keighley
M R B
,
Crapp
A R
. &
Alexander-Williams
J
. (1976 ) British Journal of Surgery
63 , 163
4.
Nichols
R L
,
Gorbach
S L
. &
Condon
R E
. (1971 ) Diseases of the Colon and Rectum
14 , 123
5.
Stokes
E J
,
Waterworth
P M
,
Franks
V
,
Watson
B
. &
Clark
C G
. (1974 ) British Journal of Surgery
61 , 739