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. 2008 Aug 5;9(8):R124. doi: 10.1186/gb-2008-9-8-r124

Figure 2.

Figure 2

Principal component analysis of the metabolite abundance profiles in 33 individuals. The analysis is based on 21 detected metabolites. Each point represents an individual. The colors indicate: blue, human controls; black, human schizophrenia patients; purple, chimpanzees; red, rhesus macaques.