B. K. Bhattarai, T. R. Rahman, B. K. Biswas, B. P. Sah, and B. Agarwal, “fluoroscoPy guided cHeMical luMbar syMPatHectoMy for lower liMb iscHaeMic ulcers”, J Nepal Med Assoc, vol. 45, no. 163, Jul. 2006.