Chowdhury, M. R., Hossain, M. A., Choudhury, N. A., Al-Miraj, A. K. and Sarker, N. M. A. (2024) “Location of venous reflux in our duplex test of patients with primary chronic venous insufficiency and comparison with that of the literature”, International Surgery Journal, 11(12), pp. 1968–1972. doi: 10.18203/2349-2902.isj20243534.