Fig. 1
Abundance ratios of the member stars in our sample clusters. Colour code is the following: NGC 2243 red, NGC 4815 orange, NGC 6005 brown, NGC 6633 green, NGC 6705 cyan, NGC 6802 blue, Pismis 18 violet, Trumpler 20 pink, Trumpler 23 salmon, Be 81 olive, NGC 2516 purple, Be 25 light green, Be 44 black. The crosses on the left side of each panel represents the 1σ dispersion of the [Fe/H] and of the abundance ratios.
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