BibTex format
@article{Mukherjee:2011:10.1586/ERS.11.13,
author = {Mukherjee, B and Howard, L},
doi = {10.1586/ERS.11.13},
journal = {EXPERT REVIEW OF RESPIRATORY MEDICINE},
pages = {191--205},
title = {Combination therapy in pulmonary arterial hypertension: do we have the right strategy?},
url = {http://dx.doi.org/10.1586/ERS.11.13},
volume = {5},
year = {2011}
}