Abstract
References
1.
Brem
T H
Morton
M E
. (1955 ) Ann. intern. Med.
43 , 465 .
2.
Citron
K M
. (1957 ) Brit. med. J.
i , 1148 .
3.
Firkin
B G
Blackburn
C R B
. (1958 ) Quart. J. Med.
27 , 187 .
4.
Martin
N H
. (1962 ) Proc. R. Soc. Med.
55 , 398 .