Yadav, S. K.; Sarangi, Y.; Vashist, M. G.; Asati, S.; Batania, A.; Kaushik, A. K. Diameter Reflux Relationship in Perforating Veins of Patients With Varicose Veins and Its Correlation With Clinical Severity of Disease. Int. J. of Health Sci. 2022, 6, 14012-14019.