Abstract
References
1.
Amar
S S
Clark
C G
Coull
D
Crooks
J
. (1964 ) unpublished.
2.
Barnett
E
Nordin
B E C
. (1960 ) Clin. Radiol.
11 , 166 .
3.
Butler
T J
. (1961 ) Ann. R. Coll. Surg. Engl.
29 , 300 .
4.
Clark
C G
. (1963 ) J. R. Coll. Surg. Edinb.
9 , 52 .
5.
Clark
C G
Crooks
J
Dawson
A A
Mitchell
P E G
. (1964 ) Lanset
i , 734 .
6.
Dent
C E
Harper
C M
. (1962 ) Lancet
i , 559 .
7.
Jones
C T
Cox
E V
Meynell
M J
Cooke
W T
Williams
J A
Stammers
F A R
. (1962 ) Lancet
ii , 425 .
8.
Nickolaysen
R
Ragaard
R
. (1955 ) Scand. J. clin. Lab. Invest.
7 , 298 .
9.
Nordin
B E C
. (1963 ) Brit. med. J.
i , 397 .
10.
Nordin
B E C
Fraser
R
. (1956 ) Lancet
i , 823 .
11.
Scott
G
Williams
M J
Clark
CG
. (1964 ) Gut (in press).