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Mexico
Infants
Helicobacter pylori
Newborn Infant
Diarrhea
Helicobacter Infections
Entamoebiasis
Acute Disease
Rotavirus Infections
Prevalence
Socioeconomic Factors
Seroepidemiologic Studies
Enzyme-Linked Immunosorbent Assay
Bacterial Proteins
Anti-Bacterial Agents
Antibodies, Protozoan
Immunoglobulin G
Antigens, Bacterial
Antibodies, Bacterial
Feces
Co-Publications
29
12
11
9
8
7
6
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