prevalence of helicobacter pylori infection in warao lineage communities of delta amacuro state, venezuela.the purpose of this study was the evaluation of helicobacter pylori infections in children and adults from two indigenous communities of delta amacuro state, venezuela, that differ in hygienic conditions of the housing. the evaluation was performed in 98 children (mean age 7 +/- 3.37 years) and their mothers (33.96 +/- 13.77 years) from two communities of warao lineage. anti-h. pylori serum igg and secretory anti-h. pylori iga antibodies were determined, as well as total secretory iga and h. pyl ...200314595445
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