Collaguazo Enriquez, E. G. and Lucena de Ustáriz , M. E. (2023) “Unconventional matrices such as faneras (hairs) in the detection of drugs of abuse for the purposes of forensic toxicological investigation”, Ciencia Digital, 7(3), pp. 25-37. doi: 10.33262/cienciadigital.v7i3.2585.