Ketsuwan, N., J. Leelarungrayub, and C. Banchonglikitkul. “Effects of Thai medicinal plant, Vernonia cinerea Less. extract on catecholamine, oxidative stress and chromosome aberration in nicotine-treated rats”. Journal of Associated Medical Sciences, vol. 50, no. 2, May 2017, p. 262, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/78882.