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Map of Romania showing counties affected by the Balkan endemic nephropathy (BEN; orange shaded) and counties of residence of the 14 Romanian cases at the time of renal cell carcinoma diagnosis (yellow shaded). Number of cases in each county is indicated. Timisoara and Craiova are the two cities where inhabitants from the BEN area are usually hospitalised (modified from http://commons.wikimedia.org/wiki/File:Romania_counties_blank_big.png).
