Habrdova, V. a Balikova, M. (2003) „Optimization of Analysis of Opiates in Urine by GC-MS", Chemické listy, 96(12). Dostupné z: http://chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2267 (Viděno: 18 červenec 2024).