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Representative chromatograms for FTFSLDTSK, VLIYFTSSLHSGVPSR, STAYLQMNSLR and there IS P14R: (DB) a blank plasma sample; (BK) a blank plasma sample with IS; (LLOQ) a plasma LLOQ sample with IS; (Sample) a plasma sample from a NSCLC patient after injecting bevacizumab 3 periods.
