Abstract

References
1.
Ayre
P.
(1937 ) Lancet , i , 561 ; (1937) Anesth. Analges., 16, 330; (1944) Brit. J. Anœsth., 19, 17.
2.
Bullough
J.
(1952 ) Brit. med. J. , i , 28 ; (1954) Lancet, i, 798; (1955) Lancet, i, 236; (1955) Anœsthesia, 10, 183; (1955) Brit. J. Anœsth., 27, 181.
3.
Davies
R. M.
Danks
S.
(1953 ) Anœsthesia , 8 , 276 .
4.
Scott
D. L.
(1950 ) Anœsthesia , 5 , 217 .
