Mahmoud, W. A., Mohamed, A. T., Abdelrahman, A. E., Badawy, F. A. (2021). 'Comparative study between fluoroscopic-guided and ultrasound-guided genicular nerve pulsed radiofrequency neurotomy for painful knee osteoarthritis', Sohag Medical Journal, 25(1), pp. 23-32. doi: 10.21608/smj.2020.43926.1199