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Zhu P, Ding W, Tong W, Ghosal A, Alton K, Chowdhury S. A retention-time-shift-tolerant background subtraction and noise reduction algorithm (BgS-NoRA) for extraction of drug metabolites in liquid chromatography/mass spectrometry data from biological matrices. Rapid Commun Mass Spectrom. 2009 Jun;23(11):1563–72. doi: 10.1002/rcm.4041. PMID: 19408276. |