Quantification of piroxicam and 5′-hydroxypiroxicam in human plasma and saliva using liquid chromatography–tandem mass spectrometry following oral administration - Calvo, Adriana Maria; Santos, Gabriel Mulinari dos; Dionisio, Thiago José; Marques, Maria Paula; Brozoski, Daniel Thomas; Lanchote, Vera Lucia; Fernandes, Maria Helena Raposo; Faria, Flavio Augusto Cardoso de; Santos, Carlos Ferreira dos (Journal of Pharmaceutical and Biomedical Analysis, 2016)