1. Snow J. On Chloroform and other anaesthetics: their action and administration. London: John Churchill; 1858. pp. 1–443.
2. Snow J. On the inhalation of the vapour of ether in surgical operations: containing a description of the various stages of etherization, and a statement of the result of nearly eighty operations in which ether has been employed in St. George’s and University College Hospitals. London: John Churchill; 1847. pp. 1–88.
3. Sayres LA. Two cases of traumatic tetanus. New York J Med. 1858;4:250–3.
4. Lassen HC, Bjorneboe M, Ibsen B, Neukirch F. Treatment of tetanus with curarisation, general anaesthesia, and intratracheal positive-pressure ventilation. Lancet. 1954;267:1040–4.
5. Honey GE, Dwyer BE, Smith AC, Spalding JM. Tetanus treated with tubocurarine and intermittent positive-pressure respiration. Brit Med J. 1954;2:442–3.