@misc{misc9d41eaf9,
title   = {Trends in prenatal care use and its association with low birthweight (LBW) in southeast Brazil},
author = {Goldani, Marcelo and Barbieri, Marco Antonio and Silva, Antônio and Bettiol, Heloísa},
year = {2004},
booktitle   = {Annual Meeting of the Pediatric Academic Societies}
}