BibTex format
@article{Papi:2007:10.1016/j.coph.2006.11.015,
author = {Papi, A and Contoli, M and Gaetano, C and Mallia, P and Johnston, SL},
doi = {10.1016/j.coph.2006.11.015},
journal = {CURRENT OPINION IN PHARMACOLOGY},
pages = {259--265},
title = {Models of infection and exacerbations in COPD},
url = {http://dx.doi.org/10.1016/j.coph.2006.11.015},
volume = {7},
year = {2007}
}