Abstract
References
1.Case Records of Massachusetts General Hospital (1963 ) New Engl. J. Med.
268 , 943 .
2.
Davies
D R
Dent
C E
Watson
L
. (1968 ) Brit. med. J.
iii , 395 .
3.
Golden
A
Canary
J J
Kerwin
D M
. (1965 ) Amer. J. Med.
38 , 562 .
4.
McPhaul
J J
Jr
McIntosh
D A
Hammond
W S
Park
O K
. (1964 ) New Engl. J. Med.
271 , 1342 .
5.
Nordin
B E C
Fraser
R
. (1960 ) Lancet
i , 947 .
6.
Thompson
G R
Neale
G
Watts
J M
Booth
C C
. (1966 ) Lancet
i , 623 .