"Sympathectomy is a technique about which we have limited knowledge, applied to disorders about which we have little understanding." Associate Professor Robert Boas, Faculty of Pain Medicine of the Australasian College of Anaesthetists and the Royal College of Anaesthetists, The Journal of Pain, Vol 1, No 4 (Winter), 2000: pp 258-260
"This is a field in which the unknown is still substantial and the some of the known - controversial." M. Hashmonai, 2005 President of the International Society of Sympathetic Surgery