Singhatong, Supawatchara. 2017. “Acetylcholinesterase and Butyrylcholinesterase Levels of Healthy Volunteers Who Not Exposed to Pesticides in Chiang Mai Province”. Journal of Associated Medical Sciences 50 (2):168. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/79685.