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. 2016 Sep 7;6:32794. doi: 10.1038/srep32794

Figure 4. Subgroup analyses on pulmonary embolism.

Figure 4

Individual studies are identified by the author’s last name and year of publication. Venous thrombosis risk was pooled for each increment of 10 μg/m3 in pollutant concentration. The size of the ORs data markers is relative to each study weight.