@misc{misc9b09857c,
title   = {Why are the low birthweight (LBW) rates in Brazil higher in richer than in poorer municipalities ?: Exploring the epidemiologic paradox of LBW},
author = {Silva, Antônio and Bettiol, Heloísa and Barbieri, Marco Antonio and Pereira, Marcio and Brito, Luiz and Ribeiro, Valdinar and Aragão, Vânia},
year = {2004},
booktitle   = {Annual Meeting of the Pediatric Academic Societies}
}