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. 2022 Mar 14;44(3):1269–1293. doi: 10.1007/s11357-022-00533-3

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© The Author(s) 2022

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Fig. 7 — Results of the PSI analysis. a A scatter plot showing the estimated PSI indices in young vs. old animals. The PSI indices with > 20% difference are shown in red, while those with < 20% difference between the two cohorts are shown in gray. b A boxplot of PER3’s estimated PSI values with extremely divergent PSI indices between the young and old cohorts