MATSUKI, A. Letter : The correct date of the first general anesthesia by S. Hanaoka. Anesthesiology. 1973, 39, 5, 565
WARREN, J. C. Inhalation of ethereal vapor for the prevention of pain in surgical operations. Boston Med. Surg. J. 1846, XXXV, 376-379
FATAL APPLICATION OF CHLOROFORM. The Lancet. 1848, 51
DUNCUM, B. The Development of Inhalation Anaesthesia, Part 9 : The beginnings of modern anaesthesia. The jubilee of anaesthesia, Geoffrey Cumberlege. 1947, 537-540
CLOVER, J. T. On an Apparatus for Administering Nitrous Oxide Gas and Ether, Singly or Combined. Br Med J. 1876, 2, Issue 811, 74-75