Mongkol, Sarayoot, Naruemon Audsa, - Thipkeaw, and Siwaphorn Chanthaphun. “Comparison of the reaction time between smoker and non-smoker male aged 40-60 years old living in Chiang Rai Province”. Journal of Associated Medical Sciences 47, no. 2 (May 2, 2014): 107. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/59960.