Arsenic in drinking water and bladder cancer mortality in the United States: an analysis based on 133 u.s.counties and 30 years of observation.

Arsenic Poisoning/complications,mortality Comorbidity Drinking Environmental Exposure/statistics & numerical data Female Humans Incidence Linear Models Male Risk Assessment Survival Analysis United States/epidemiology Urinary Bladder Neoplasms/etiology,mortality Water Supply