M. H. R. Ihsan, M. Saeed, M. Ilyas, and N. Ghani, “DIAGNOSTIC ACCURACY OF DOPPLER ULTRASOUND IN COMPARISON WITH VENOGRAPHY IN THE DIAGNOSIS OF VARICOSE VEINS OF THE LEGS: Diagnostic Approach of Varicose Veins of the Legs”, Pak Armed Forces Med J, vol. 60, no. 3, pp. 431–5, Sep. 2010, doi: 10.51253/pafmj.v60i3.1460.