Nitrate in community water supplies and incidence of non-Hodgkin’s lymphoma in Sardinia, Italy: Table 1

tudies of non-Hodgkin's lymphoma (NHL) evaluating risk associated with nitrate concentrations in community water supplies have found inconsistent results.[1][2][3][4] To further explore this hypothesis, we compared the NHL incidence in 1974-1993 with nitrate monitoring data from 1971-1994 available for 75% (282 of 376) of the communes (administrative units) in Sardinia, Italy.. . . . .