BibTex format
@article{Hewitt:2016:10.1177/1753465815618113,
author = {Hewitt, R and Farne, H and Ritchie, A and Luke, E and Johnston, SL and Mallia, P},
doi = {10.1177/1753465815618113},
journal = {Therapeutic Advances in Respiratory Disease},
pages = {158--174},
title = {The role of viral infections in exacerbations of chronic obstructive pulmonary disease and asthma},
url = {http://dx.doi.org/10.1177/1753465815618113},
volume = {10},
year = {2016}
}