Bioanalytical method validation for the determination of opiates, opioids and its metabolites in forensic interest samples, by gas chromatography-mass spectrometry. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 27, n. 1, p. 89–97, 2015. DOI: 10.33975/riuq.vol27n1.44. Disponível em: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/44. Acesso em: 25 jun. 2026.