Lekskulchai, V. and Kaewpongsri, S. (2019) “Reagent Kits for Urine Methamphetamine: Rapid Test Kits v.s. Abbott A/M II Reagent”, Journal of Health Research, 18(1), pp. 61–73. available at: https://he01.tci-thaijo.org/index.php/jhealthres/article/view/187767 (accessed: 1 October 2026).