Agarwal, V., Agarwal, S., Singh, A., Nathwani, P., Goyal, P., & Goel, S. (2016). Prevalence and risk factors of varicose veins, skin trophic changes, and venous symptoms among northern Indian population. International Journal of Research in Medical Sciences, 4(5), 1678–1682. https://doi.org/10.18203/2320-6012.ijrms20161248