@misc{miscc4bc8dbf,
title   = {Behavior of the uterine cervical length in normal pregnancies evaluated by transvaginal sonography},
author = {Freitas Júnior, Reginaldo A. O. and Mauad Filho, Francisco and Duarte, Geraldo and Ferreira, Adilson Cunha and Freitas, Ana Karla M. S. O. and Casanova, Mauro Silva and Filho, Luciano P. and Gadelha, Antonio and Maranhão, Tecia Maria de Oliveira},
year = {2001},
booktitle   = {World Congress of Perinatal Medicine}
}