BibTex format
@article{Watson:2014:10.1136/bmjopen-2014-004856,
author = {Watson, SI and Arulampalam, W and Petrou, S and Marlow, N and Morgan, AS and Draper, ES and Santhakumaran, S and Modi, N},
doi = {10.1136/bmjopen-2014-004856},
journal = {BMJ OPEN},
title = {The effects of designation and volume of neonatal care on mortality and morbidity outcomes of very preterm infants in England: retrospective population-based cohort study},
url = {http://dx.doi.org/10.1136/bmjopen-2014-004856},
volume = {4},
year = {2014}
}