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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Cancer. 2019 May 30;125(15):2544–2560. doi: 10.1002/cncr.32052

Figure 2.

Figure 2.

Radon levels are illustrated according to 1982 US county of residence from the Cancer Prevention Study-II. EPA indicates Environmental Protection Agency; GIS, geographic information systems; NHGIS, National Historical Geographic Information Systems; SEC, Statistics and Evaluation Center. Reprinted from: Teras LR, Diver WR, Turner MC, et al. Residential radon exposure and risk of incident hematologic malignancies in the Cancer Prevention Study-II nutrition cohort. Environ Res. 2016;148:46–54, with permission from Elsevier.87