BibTex format
@article{Shaikh:2017:10.2147/COPD.S134420,
author = {Shaikh, N and Johnson, M and Hall, D and Chung, KF and Riley, J and Worsley, S and Bhavsar, PK},
doi = {10.2147/COPD.S134420},
journal = {International Journal of Chronic Obstructive Pulmonary Disease},
pages = {1903--1913},
title = {Intracellular interactions of umeclidinium and vilanterol in human airway smooth muscle},
url = {http://dx.doi.org/10.2147/COPD.S134420},
volume = {12},
year = {2017}
}