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Hernández-Ramírez, Raúl U., Marcia V. Galván-Portillo, Mary H. Ward, Antonio Agudo, Carlos A. González, Luis F. Oñate-Ocaña, Roberto Herrera-Goepfert, Oswaldo Palma-Coca, i Lizbeth López-Carrillo. Dietary Intake of Polyphenols, Nitrate and Nitrite and Gastric Cancer Risk in Mexico City. 2009.

Hernández-Ramírez, Raúl U., et al. Dietary Intake of Polyphenols, Nitrate and Nitrite and Gastric Cancer Risk in Mexico City. 2009.