@article{article8913b065,
title   = {Determination of low levels of benzodiazepines and their metabolites in urine by hollow-fiber liquid-phase microextraction (LPME) and gaschromatography–mass spectrometry (GC–MS)},
author = {Bairros, André Valle de and Almeida, Rafael Menck de and Pantaleão, Lorena and Barcellos, Thiago and Silva, Sidnei Moura e and Yonamine, Maurício},
year = {2015},
doi = {10.1016/j.jchromb.2014.10.040},
journal   = {Journal of Chromatography B}
}