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. 2019 Feb 22;14(2):e0212618. doi: 10.1371/journal.pone.0212618

Fig 4. PCA scatter plot visualizing individual ageing trajectories (thin arrows), average ageing trajectories (thick arrows) and the global ageing trajectory (green arrow) of boys from 7 to 17 years of age in the space of the first (PC1) and second (PC2) principal components.

Fig 4