BibTex format
@article{Roberts:2011:10.1186/1471-2466-11-37,
author = {Roberts, NJ and Smith, SF and Partridge, MR},
doi = {10.1186/1471-2466-11-37},
journal = {BMC PULMONARY MEDICINE},
title = {Why is spirometry underused in the diagnosis of the breathless patient: a qualitative study},
url = {http://dx.doi.org/10.1186/1471-2466-11-37},
volume = {11},
year = {2011}
}