BibTex format
@article{Cook:2017:10.1371/journal.pone.0178072,
author = {Cook, JR and Chatfield, S and Chandiramani, M and Kindinger, L and Cacciatore, S and Sykes, L and Teoh, T and Shennan, A and Terzidou, V and Bennett, PR},
doi = {10.1371/journal.pone.0178072},
journal = {PLOS One},
title = {Cerclage position, cervical length and preterm delivery in women undergoing ultrasound indicated cervical cerclage: A retrospective cohort study},
url = {http://dx.doi.org/10.1371/journal.pone.0178072},
volume = {12},
year = {2017}
}