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. 2015 Apr 6;10(4):e0123444. doi: 10.1371/journal.pone.0123444

Fig 7. Box plots* of alpha-synuclein levels in native and acidified plasma.

Fig 7

(a) Younger in comparison to older individuals revealed higher alpha-synuclein levels, highly significant by Mann Whitney test for native, p = 0,0005 and acidified plasmas, p<0.0001. (b) Plasma acidification increased alpha-synuclein concentrations in both age groups, highly significant by a one-tailed Wilcoxon matched pairs test, p<0.0001. The additional horizontal short line in the box represents the mean.

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