Figure 5From: Epidemiological approaches in the investigation of environmental causes of cancer: the case of dioxins and water disinfection by-productsPooled analysis of case-control studies on bladder cancer and exposure to Trihalomethanes in drinking water. Log odds ratio for bladder cancer and average exposure to THMs (mg/L) using natural splines (3df), both sexes (from Villanueva et al 2004, ref. [22])Back to article page