Udombhornprabha, Anan, Naowarat Kanchanakhan, and Pichai Phongmanjit. 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), 3003-15. https://doi.org/10.15419/bmrat.v6i2.523.