Geographic clustering of brain tumors in Kentucky.
D001932:Brain Neoplasms / Q000453:epidemiology* / Q000209:etiology; D005910:Glioma / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007629:Kentucky; D008579:Meningioma / Q000453:epidemiology / Q000209:etiology; D009362:Neoplasm Metastasis; D013223:Statistics as Topic; D014876:Water Pollution