Workplace Diesel Exhausts and Gasoline Exposure and Risk of Colorectal Cancer in Four Nordic Countries oleh Madar Talibov, Jorma Sormunen, Elisabete Weiderpass, Kristina Kjaerheim, Jan-Ivar Martinsen, Per Sparen, Laufey Tryggvadottir, Johnni Hansen, Eero Pukkala