@article{article864670a9,
title   = {Validity of pre and post-term birth rates based on the date of last menstrual period compared to early obstetric ultrasonography},
author = {Medeiros, Maria Nilza Lima and Cavalcante, Nádia Carenina Nunes and Mesquita, Fabrício José Alencar and Batista, Rosângela Lucena Fernandes and Simões, Vanda Maria Ferreira and Cavalli, Ricardo de Carvalho and Cardoso, Viviane Cunha and Bettiol, Heloisa and Barbieri, Marco Antonio and Silva, Antônio Augusto Moura da},
year = {2015},
doi = {10.1590/0102-311X00121514},
journal   = {Cadernos de Saúde Pública}
}