Kwanchainon, Chuleekorn, and Chaweewan Dongjorn. “D13. The Herbal Medicine of Vernonia Cinerea. Tea Comparing the Effectiveness of Herbal Medicine With Placebo to Anti-Cigarette Smoking. U-Thong Hospital Suphanburi, THAILAND”. Journal of Health Science and Alternative Medicine (July 21, 2022): 299–303. Accessed May 20, 2024. https://he01.tci-thaijo.org/index.php/jhealthscialternmed/article/view/257825.