@article{article6b7a1bd1,
title   = {Incompetência istmocervical},
author = {Nogueira, Antonio Alberto and Rodrigues, Reinaldo and Berezowski, Aderson Tadeu and Cunha, Sérgio Pereira da and Mauad Filho, Francisco and Duarte, Geraldo},
year = {2000},
journal   = {Femina}
}