@misc{misc2d3bd311,
title   = {Hepatitis a antibodies in two socioeconomically distinct populations of sao paulo, brazil},
author = {Pannuti, Cláudio Sérgio and Mendonça, J. S. and Carvalho, M J M and Oselka, Gabriel Wolf and Amato Neto, Vicente},
year = {1989},
booktitle   = {Jornada Cientifica do Instituto de Medicina Tropical de São Paulo}
}