Fig. 4.
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Histograms for the data reported in Table 4. Panels from top to bottom: describe the LMC, SMC, and both. O- and C-rich sources are indicated by blue and red bars, respectively, while black bars correspond to sources whose chemical type is uncertain. Thin bars in the SRV-0 histograms indicate the subgroups SRV-0− and SRV-0+, which are introduced in Sect. 4.1.
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