Figure 1From: Development of protein biomarkers in cerebrospinal fluid for secondary progressive multiple sclerosis using selected reaction monitoring mass spectrometry (SRM-MS)Standard curve for digested horse apomyoglobin in CSF: x-axis is the concentration of horse apomyoglobin; y-axis is the peak area under the curve detected by LC-MS/MS; insert is the calibration equation with R2 as the correlation coefficient.Back to article page