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. 2018 Jun 9;15(6):1216. doi: 10.3390/ijerph15061216

Figure 4.

Figure 4

Relationship of UHI-9 and country-level index of income inequality (Gini Index). The graph contains four variables: the raw UHI-9 score for the city, country-level Gini Index, population size (represented by the size of the bubble), and WHO region (depicted by color).