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LC/TOF MS-based Metabolic Analysis of Human Serum Samples. Sample data obtained by negative ion mode LC/TOF MS analysis of a stage III ovarian cancer serum sample: (A) 3D intensity matrix, (B) total ion chromatogram, (C) selected im/zon chromatogram for the feature at m/z 443.26, and (D) mass spectrum at a retention time of 91 minutes.
