Bioanalytical method validation for the determination of opiates, opioids and its metabolites in forensic interest samples, by gas chromatography-mass spectrometry. Rev. Invest. Univ. Quindío [Internet]. 2015 Sep. 30 [cited 2026 Jun. 25];27(1):89-97. Available from: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/44