Figure 1.

Representative MALDI-TOF MS serum spectra(1.7-1.9 kD). (A)Two differentially expressed proteins of m/z 1778.67 and 1865.79 Da were screened up; (B) It showed the bar graphs, the mean values and the standard deviations of the log-normalized intensities for the SCLC subjects (red) and the healthy individuals (green).