Quantitative assay of lorazepam and its metabolite glucuronide by reverse-phase liquid chromatography-tandem mass spectrometry in human plasma and urine samples - Papini, Olga; Bertucci, Carlo; Cunha, Sérgio Pereira da; Santos, Neife Aparecida Guinaim dos; Lanchote, Vera Lúcia (Journal of Pharmaceutical and Biomedical Analysis, 2006)