@article{article2dbcf25d,
title   = {Duality of patterns in hepatitis a epidemiology: a study involving two socioeconomically distinct populations in Campinas, São Paulo State, Brazil},
author = {Pinho, João Renato Rebello and Sumita, Laura Masami and Moreira, Regina Célia and Souza, Vanda Akico Ueda Fick de and Saraceni, Claudia P and Oba, Isabel Takano and Carvalho, Mariana C S and Pannuti, Cláudio Sérgio},
year = {1998},
doi = {10.1590/s0036-46651998000200007},
journal   = {Revista do Instituto de Medicina Tropical de São Paulo}
}