Kochsiripong, Patchaya, Duangjai Duangrithi, and Worawan Saingam. 2018. “Formulation Development of Vernonia Cinerea Lozenges for Smoking Cessation: A Pilot Study”. Vajira Medical Journal : Journal of Urban Medicine 62 (6):463-72. https://he02.tci-thaijo.org/index.php/VMED/article/view/210897.