Figure 5From: Spatial variations in the incidence of breast cancer and potential risks associated with soil dioxin contamination in Midland, Saginaw, and Bay Counties, Michigan, USA Breast cancer cases per 100,000 females, and purely spatial clusters detected by the two methods. Purely spatial clusters detected by Kulldorff's spatial scan statistic (shaded areas) and the genetic algorithm for spatial clustering (ellipses).Back to article page