@article{article5b201248,
title   = {Assistencia pre-natal. I. Aspectos obstetricos},
author = {Mauad Filho, F and Duarte Coelho, M H B and Duarte, Geraldo and Chufalo, J E},
year = {1985},
journal   = {Revista Brasileira de Ginecologia e Obstetricia}
}