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Simultaneous determination of cyclophosphamide and 4-hydroxycyclophosphamide in human plasma by high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry - application to Chinese systemic lupus erythematosus patients.
Shu W, Wang X, Yang X, Liang L, Li J, Chen Z, Chen X, Jin J, Li R, Zhao L, Huang M. Shu W, et al. Among authors: jin j. Clin Chem Lab Med. 2011 Sep 9;49(12):2029-37. doi: 10.1515/CCLM.2011.710. Clin Chem Lab Med. 2011. PMID: 21902573
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