Figure 3From: Investigation of serum protein profiles in scrapie infected sheep by means of SELDI-TOF-MS and multivariate data analysisPrinciple component analysis of longitudinal study (LS) data. Samples from scrapie group are indicated in red, and samples from control group are indicated in blue. One PCA plot for each sample point; six, eight, ten, 12, 14, 16, 18, 20, 22 and 23Â weeks of age/post infection.Back to article page