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Fig. 2 | Harm Reduction Journal

Fig. 2

From: Egocentric network characteristics of people who inject drugs in the Chicago metro area and associations with hepatitis C virus and injection risk behavior

Fig. 2

Egocentric network exemplars to illustrate measures of efficiency, constraint, and closeness centrality. In each graph, the top node in yellow represents ego, while the blue nodes below represent alters. In graphs A and B ties are unweighted. In graph C, strong ties are represented by thick edges, while weak ties are represented by thin edges

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