Abstract
References
1.
Sircus
W.
(1956 ) Gastroenterologie Basel , 85 , 174 .
2.
Sjoerdsma
A.
(1957 ) Amer. J. Med. , 23 , 5 .
3.
Sjoerdsma
A.
(1955 ) J. Amer. med. Ass. , 159 , 397 .
4.
Snow
P. J. D.
(1955 ) Lancet , ii , 1004 .
5.
Sykes
M. K.
(1956 ) Personal communication.
6.
Waldenström
J.
Ljunberg
E.
(1955 ) Acta med. scand. , 152 , 311 .