Seroprevalence of hepatitis a antibodies in a group of normal and Down syndrome children in Porto Alegre, southern Brazil

Ferreira CT, Leite JC, Tanaguchi ANR, Vieira SMG, Pereira-Lima J, da Silveira TR. Seroprevalence of hepatitis a antibodies in a group of normal and Down syndrome children in Porto Alegre, southern Brazil. Braz J Infect Dis. 2002; 6(5): 225-31.