@article{article23f15a2a,
title   = {Hepatitis a antibodies in two socioeconomically distinct populations of sao paulo ,brasil},
author = {Pannuti, Cláudio Sérgio and Mendonça, J. S. and Carvalho, M J M and Oselka, Gabriel Wolf and Amato Neto, Vicente},
year = {1985},
journal   = {Revista do Instituto de Medicina Tropical de Sao Paulo}
}