Leuprasert, L., S. Taneepanichskul, S. Monmora, S. Puangtapa, S. Jifan, W. Siriwong, and R. S. Chapman. “Pesticide Use and Pesticide-Related Symptom Prevalence in Chinese Kale Farmers in Northeast Thailand”. Journal of Health Research, vol. 28, no. 4, July 2017, pp. 255-62, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/93601.