1. Apfelbaum R, Cole CD, Liu J. Historical perspectives on the diagnosis and treatment of: evolution therapies for TN. Neurosurg Focus. 2005;18(5):E4.
2. Stookey R. Trigeminal neuralgia: its history and treatment. Springfield: Charles C. Thomas; 1959.
3. Haxton HA. Chemical sympathetectomy. Br Med J. 1949;1:1026–8.
4. Govind J, Bogduk N. Neurolytic blockade for noncancer pain. In: Balantyne J, Fishman SM, Rathmell JP, editors. Bonica’s management of pain. Philadelphia: Lippincott Willam and Wilkins; 2010. p. 1467–14845.
5. Caterina MJ, Schumacher M, Tominaga M, Rosen TA, Levine JD, Julius D. The capsaicin receptor: a heat-activated ion channel in the pain pathway. Nature. 1997;389:816–24.