Abstract

References
1.
Greene
B. A.
(1941 ) Anesthesiology , 2 , (a) 148 ; (b) 157 .
2.
Hewer
C. L.
(1948 ) Recent Advances in Anæsthesia and Analgesia . 6th Ed.
London : (a) 48; (b) 125.
3.
Thomas
G. J.
(1950 ) Amer. Soc. Anesth. News Letter , 14 , (a) No. 6, 10; (b) No. 8, 26.
