Abstract
References
1.
Goligher
J C
de Dombal
F T
Watts
J M
Watkinson
G
. (1968 ) Ulcerative colitis . London
2.
Parks
A G
. (1965 ) Proc. roy. Soc. Med.
58 , 793
3.
Ritchie
J K
. (1971 ) Gut
12 , 536