@article{article2949878a,
title   = {The intensity of transmission of hepatitis A and heterogeneities in socio-environmental risk factors in Rio de Janeiro, Brazil},
author = {Almeida, Liz Maria de and Amaku, Marcos and Azevedo Neto, Raymundo Soares and Cairncross, Sandy and Massad, Eduardo},
year = {2002},
doi = {10.1016/s0035-9203(02)90325-1},
journal   = {Transaction of the royal society of tropical medicine and hygiene}
}