Abstract
References
1.
Duncum BM.
The Development of Inhalational Anaesthesia . Oxford University Press , London , 1947 .
2.
Bryn-Thomas K.
The Development of Anaesthetic Apparatus . Blackwell Scientific Publications , London , 1975 .
3.
Bellamy Gardner H.
Ether Anaesthesia by the Open Method . BMJ , Jan 18, 1908 ; 145 –6 .