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. 2017 Apr 7;12(4):e0174671. doi: 10.1371/journal.pone.0174671

Fig 13. Co-authorships by publication type.

Fig 13

Connections by publication type using the same coordinates as in Figs 1 and 2 (on the left) and a new layout without isolates (on the right). Journal articles and book chapters account for most connections.