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Chae JW, Kim DH, Lee BY, Kim Ej, Kwon KI. Development and validation of a sensitive LC-MS/MS method for the simultaneous quantitation of theophylline and its metabolites in rat plasma. J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Mar 15;889-890():44–9. doi: 10.1016/j.jchromb.2012.01.028. PMID: 22365533. |