The autonomic nervous system: an introduction to basic and clinical concepts
By Otto Appenzeller, Emilio OribeElsevier Health Sciences, 1997
"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