Browsing by Author "Vitral, Claudia L."
Now showing items 1-2 of 2
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Age-specific Prevalence of Antibodies to Hepatitis A in Children and Adolescents from Rio de Janeiro, Brazil, 1978 and 1995. Relationship of Prevalence to Environmental Factors
Vitral, Claudia L. et al. | Date Issued: 1998 -
Epidemiological pattern and mortality rates for hepatitis A in Brazil, 1980-2002--a review
Vitral, Claudia L. et al. | Date Issued: 2006