title: Second-order advantage achieved with four-way fluorescence excitation-emission-kinetic data processed by parallel factor analysis and trilinear least-squares. Determination of methotrexate and leucovorin in human urine.
authors.affiliation: Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario S2002LRK, Argentina. aolivier@fbioyf.unr.edu.ar
authors.forename: Alejandro C
authors.initials: AC
authors.lastname: Olivieri
authors.forename: Juan A
authors.initials: JA
authors.lastname: Arancibia
authors.forename: Arsenio
authors.initials: A
authors.lastname: Muñoz de la Peña
authors.forename: Isabel
authors.initials: I
authors.lastname: Durán-Merás
authors.forename: Anunciación
authors.initials: A
authors.lastname: Espinosa Mansilla
mesh_terms: D006801:Humans; D007700:Kinetics; D016018:Least-Squares Analysis; D002955:Leucovorin / Q000737:chemistry / Q000652:urine*; D008727:Methotrexate / Q000737:chemistry / Q000652:urine*; D015394:Molecular Structure; D013050:Spectrometry, Fluorescence / Q000379:methods*; D013997:Time Factors
chemical_list: D002955:Leucovorin; D008727:Methotrexate