BibTex format
@article{Roberts:2012:10.1186/1471-2466-12-52,
author = {Roberts, NJ and Boyd, KA and Briggs, AH and Caress, AL and Partridge, MR},
doi = {10.1186/1471-2466-12-52},
journal = {BMC PULMONARY MEDICINE},
title = {Nurse led versus lay educators support for those with asthma in primary care: a costing study},
url = {http://dx.doi.org/10.1186/1471-2466-12-52},
volume = {12},
year = {2012}
}