[Preneoplastic gastric lesions and helicobacter pylori in endoscopic detection and early diagnosis of gastric cancer in a population of a medium and high socio-economic level].

Chacaltana A, Rodríguez C, Urday C, Ramon W, Espinoza J, Velarde H, Rodríguez I, Lucho E, Rauch E. Rev Gastroenterol Peru ;29(3):218-25. 03.

To determine the prevalence and characteristics of premalignant gastric lesions and its relationship with helicobacter pylori infection.

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