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Peru
Infants
Newborn Infant
Prevalence
Cross-Sectional Studies
Urban Population
Risk Factors
Longitudinal Studies
Altitude
Cohort Studies
Diarrhea
HIV Infections
Cryptosporidiosis
Neurocysticercosis
Feces
Seroepidemiologic Studies
Case Control Studies
Disease Outbreaks
Risk-Taking
Sexual Behavior
Co-Publications
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11
8
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6
5
4
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