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Acta Gastroenterologica Latinoamericana|February 11, 2000
[Seroprevalence of helicobacter pylori infection in the republic of Argentina: influence of age, sex, socioeconomic level, geographical area, and health infrastructure. Multicenter study by the Club Argentino del Estomago y Duodeno]P S Pest, R Corti, R Pedrana, et al.
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