@article{article247369b0,
title   = {Risk factors for birth-related perineal trauma: a cross-sectional study in a birth centre},
author = {Silva, Flora Maria Barbosa da and Oliveira, Sonia Maria Junqueira Vasconcellos de and Bick, Debra and Osava, Ruth Hitomi and Tuesta, Esteban Fernández and Riesco, Maria Luiza Gonzalez},
year = {2012},
doi = {10.1111/j.1365-2702.2012.04133.x},
journal   = {Journal of Clinical Nursing}
}