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. Author manuscript; available in PMC: 2013 Nov 22.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Jul 10;84(1):10.1016/j.ijrobp.2012.06.007. doi: 10.1016/j.ijrobp.2012.06.007

Fig. 1.

Fig. 1

Geographic distribution of nonintegrated radiation oncology services. Maps were created using ArcGIS v9.3 software. Colored circles represent 10-mile, 20-mile, and 30-mile buffers around documented locations of radiation oncology treatment facilities that are not integrated with a urology practice. Brown pixels represent population density per the graph legend. Individual practice locations are not shown.