Abstract

References
1.
Brady
R O
Gal
A E
Bradley
R M
Martensson
E
Warshaw
A L
Laster
L
. (1967 ) New England Journal of Medicine
276 , 1163
2.
Kint
J A
. (1970 ) Science
167 , 1268
3.
Romeo
G
Migeon
B R
. (1970 ) Science
170 , 180
4.
Wise
D
Wallace
H J
Jellinek
E H
. (1962 ) Quarterly Journal of Medicine
31 , 177
5.
Seah
P P
Fry
L
Stewart
J S
Chapman
B L
Hoffbrand
A V
Holborow
E J
. (1972 ) Lancet
i , 611 –614
