Abstract
References
1.
Ormerod
T P
. (1967a ) Gut
8 , 107
2.
Ormerod
T P
. (1967b ) Amer. J. dig. Dis . 12 , 1095
3.
Ormerod
T P
. (1968 ) Scand. J. Gastroenterology
3 , 189
4.
Salem
S N
Truelove
S C
. (1965 ) Brit. med. J . i , 827
5.
Spriggs
A I
Smith
R S
Griffith
H
Truelove
S C
. (1958 ) Lancet
i , 1039