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Fig. 22

The ratio [⟨ Ba, La, Ce ⟩ /Eu] as a function of the proton-capture elements O. Na, Mg, and Al for stars with UVES spectra of the MP (green symbols) and MR (orange symbols) component in NGC 1851. Both the Spearman rank correlation coefficient and Pearson linear regression correlation coefficient are indicated in each panel.
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