@article{articlebb472d20,
title   = {Perineal trauma after vaginal delivery in healthy pregnant women},
author = {Oliveira, Larissa Santos and Brito, Luiz Gustavo Oliveira and Quintana, Silvana Maria and Duarte, Geraldo and Marcolin, Alessandra Cristina},
year = {2014},
doi = {10.1590/1516-3180.2014.1324710},
journal   = {São Paulo Medical Journal}
}