1. Aldrete JA, Marron GM, Wright AJ (1984) The first administration of anesthesia in military surgery: On occasion of the Mexican-American War. Anesthesiology 61:585–588
2. Andrews E (1868) Oxygen mixture, a new anaesthetic combination. Chicago Med Exam 9:656
3. Artusio JF jr, Poznak A van, Hunt RE, et al (1960) Clinical evalution of methoxyflurane in man. Anesthesiology 21:512–517
4. Balde JH, Biermer L (1973) Medizin in Kassel. Verlag des Ärztevereins Kassel
5. Bamforth BJ (1985) Cyclopropane Anesthesia: Its introduction at Wisconsin. In: Rupreht J, Lieburg MJ van, Lee JA, Erdmann (eds) Anaesthesia. Essays on its history. Springer, Berlin Heidelberg New York Tokyo, pp 271–275