[1]Đoàn, Đặng V. et al. 2012. DETERMINATION OF METHAMPHETAMINE IN URINE SAMPLES BY GC-MS METHOD USING SOLID PHASE EXTRACTION (SPE). <i>Vietnam Journal of Science and Technology</i>. 48, 5 (Jun. 2012). DOI:https://doi.org/10.15625/0866-708X/48/5/1196.