APA

Ramírez R A., Chinga A E. & Mendoza R D. (20041109). [Variation of Helicobacter pylori prevalence and its relation with the level of chlorine in the water at the "Atarjea" plant, Lima, Perú. Period 1985-2002]. : Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru.

Chicago

Ramírez R Alberto, Chinga A Erick and Mendoza R Daniel. 20041109. [Variation of Helicobacter pylori prevalence and its relation with the level of chlorine in the water at the "Atarjea" plant, Lima, Perú. Period 1985-2002]. : Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru.

Harvard

Ramírez R A., Chinga A E. and Mendoza R D. (20041109). [Variation of Helicobacter pylori prevalence and its relation with the level of chlorine in the water at the "Atarjea" plant, Lima, Perú. Period 1985-2002]. : Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru.

MLA

Ramírez R Alberto, Chinga A Erick and Mendoza R Daniel. [Variation of Helicobacter pylori prevalence and its relation with the level of chlorine in the water at the "Atarjea" plant, Lima, Perú. Period 1985-2002]. : Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru. 20041109.