1. Koller C. On the use of cocaine for producing anaesthesia on the eye. Lancet. 1884;2:990–2.
2. Deschner B, Robards C, Somasundaram L, Harrops-Griffiths W. The history of local anesthesia. In: Hadzic A, editor. Textbook of regional anesthesia and pain management. New York: McGraw-Hill; 2007. p. 15.
3. Vachon CA, Bacon DR, Rose SH. Gaston Labat’s regional anesthesia: the missing years. Anesth Analg. 2008;107(4):1371–5.
4. Bacon DR. Gaston Labat, John Lundy, Emery Rovenstine, and the Mayo Clinic: the spread of regional anesthesia in America between the World Wars. J Clin Anesth. 2002;14(4):315–20.
5. ACGME Program Requirements for Graduate Medical Education in Anesthesiology. 2010. (Accessed April 22, 2010, at
http://www.acgme.org/acWebsite/RRC_040/040_prIndex.asp
.).