Abstract

References
1.
Davies
J W L
(1966 ) Brit. J. Anæsth . 38 , 250
2.
Hodgson
D C
Collie
J A
(1966 ) Anœsthesia
21 , 546
3.
Nunn
J F
(1966 ) Proc. R. Soc. Med . 59 , 905
4.
Plewes
L W
(1966 ) Accident Service . London
5.
Sykes
M K
(1963 ) Ann. roy. Coll. Surg. Engl . 33 , 185
