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Figure 1 | Journal of Occupational Medicine and Toxicology

Figure 1

From: Silicosis: geographic changes in research: an analysis employing density-equalizing mapping

Figure 1

Published items regarding "silicosis". A: Density-equalizing map illustrating the number of publications in each particular country (the area of each country and its colour were scaled in proportion to its total number of publications regarding "silicosis" as illustrated in the panel). B: Ranking of country total number of published items an h-index related to "silicosis". C: Trend of the scientific productivity of the five most productive countries.

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