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Identification of SOD2 and HSP27 as candidate biomarkers for OSCC metastasis and invasion. The MALDI-TOF mass spectrometry was used to depict the identities of the differentially expressed protein spots identified by 2D-PAGE. Peptide mass results were used to identify the proteins using the MASCOT Peptide Fingerprint. Representative Spectra were shown. A: Hsp27; B: SOD2.
