Singh, A.K., Karmacharya, R.M., Vaidya, S. and Thapa, P. 2020. Quantification of Superficial Venous Reflux by Duplex Ultrasound - Role of Peak Reflux Velocity and Reflux Time in the Assessment of Varicose Vein. Journal of Nepal Health Research Council. 18, 3 (Nov. 2020), 442-447. DOI:https://doi.org/10.33314/jnhrc.v18i3.2558.