Abstract
References
1.
Apgar
V
(1953 ) Curr. Res. Anesth . 32 , 260
2.
Gupta
J M
Tizard
J P M
(1967 ) Lancet
ii , 55
3.
Hobbs
J R
Davis
J A
(1967 ) Lancet
i , 757
4.
Robinson
R J
(1966 ) Arch. Dis. Childh . 41 , 437