Abstract
References
1.
Axelsson
C K
Jarnum
S
(1977 ) Scandinavian Journal of Gastroenterology 12 , 89 –95 .
2.
Logan
R F A
Gillon
J
Ferrington
C
Ferguson
A
(1981 ) Gut 22 , 383 –387 .
3.
Morin
C L
Roulet
M
Roy
C G
Weber
A
(1980 ) Gastroenterology 79 , 1205 –1210 .
4.
O'Morain
C
Segal
A W
Levi
A J
(1980 ) British Medical Journal 281 , 1173 –1175 .
5.
Strobel
C T
Byrne
W J
Ament
M E
(1979 ) Gastroenterology 77 , 272 –279 .