BibTex format
@article{Hansel:2004:10.1358/dot.2004.40.1.799438,
author = {Hansel, TT and Tennant, RC and Tan, AJ and Higgins, LA and Neighbour, H and Erin, EM and Barnes, PJ},
doi = {10.1358/dot.2004.40.1.799438},
journal = {DRUGS OF TODAY},
pages = {55--69},
title = {Theophylline: Mechanism of action and use in asthma and chronic obstructive pulmonary disease},
url = {http://dx.doi.org/10.1358/dot.2004.40.1.799438},
volume = {40},
year = {2004}
}