BibTex format
@article{Usman:2016:10.1111/1471-0528.14106,
author = {Usman, S and Hirst, C and Oliveira, M and Wilhelm-Benartzi, C and Lees, C},
doi = {10.1111/1471-0528.14106},
journal = {BJOG - An International Journal of Obstetrics and Gynaecology},
pages = {165--166},
title = {Acceptability of transabdominal and transperineal ultrasound compared to vaginal examinations peri-delivery},
url = {http://dx.doi.org/10.1111/1471-0528.14106},
volume = {123},
year = {2016}
}