Exposure to nitrate from drinking water and the risk of childhood cancer in Denmark

Leslie T. Stayner, Jörg Schullehner, Birgitte Dige Semark, Anja Søndergaard Jensen, Betina B. Trabjerg, Marie Pedersen, Jørn Olsen, Birgitte Hansen, Mary H. Ward, Rena R. Jones, Vanessa R. Coffman, Carsten B. Pedersen, Torben Sigsgaard