ĐOÀN, Đặng Văn; HUY, Đỗ Quang; HUỆ, Nguyễn Đức; TRÍ, Trần Mạnh. DETERMINATION OF METHAMPHETAMINE IN URINE SAMPLES BY GC-MS METHOD USING SOLID PHASE EXTRACTION (SPE). <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 48, n. 5, 2012. DOI: 10.15625/0866-708X/48/5/1196. Disponível em: https://vjs.ac.vn/jst/article/view/1196. Acesso em: 11 mar. 2026.