BibTex format
@inproceedings{Patel:2009:10.1136/thx.2009.127175i,
author = {Patel, ARC and Karmali, S and Goldring, JJP and Quint, JK and Donaldson, GC and Hurst, JR and Wedzicha, JA},
doi = {10.1136/thx.2009.127175i},
pages = {A134--A135},
publisher = {B M J PUBLISHING GROUP},
title = {RELATIONSHIPS BETWEEN CO-MORBIDITIES, EXACERBATION FREQUENCY AND FEV<sub>1</sub> IN COPD},
url = {http://dx.doi.org/10.1136/thx.2009.127175i},
year = {2009}
}