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Fig. 11.

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Comparison of the metallicity distributions in NGC 6388 and 47 Tuc. Upper panel: generalised histogram of [Fe/H] values for NGC 6388 (red solid line) and 47 Tuc (blue dotted line, from Carretta et al. 2009a,b), normalised to their maximum. Lower panel: two-tail Kolmogorov-Smirnov test for the above metallicity distributions. The K-S probability is also listed.

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