Udombhornprabha, A., Kanchanakhan, N., & Phongmanjit, P. (2019). A randomized, double-blinded, controlled trial of herbal medicine combination for leg symptoms due to chronic venous disease. Biomedical Research and Therapy, 6(2), 3003-3015. https://doi.org/10.15419/bmrat.v6i2.523