BibTex format
@article{Koshy:2011:10.1136/thx.2010.154914,
author = {Koshy, E and Murray, J and Bottle, A and Sharland, M and Saxena, S},
doi = {10.1136/thx.2010.154914},
journal = {THORAX},
pages = {827--828},
title = {Validity of using Hospital Episode Statistics data on monitoring disease trends Response},
url = {http://dx.doi.org/10.1136/thx.2010.154914},
volume = {66},
year = {2011}
}