1.
Kluekamkao G, Keowkarnkah W. False positive of usingurine methamphetamine color test and immunoassay test. Lampang Med J [internet]. 2022 Nov. 16 [cited 2025 Jan. 24];29(1):1-11. available from: https://he01.tci-thaijo.org/index.php/LMJ/article/view/259782