BibTex format
@article{Usmani:2021:10.1016/j.chest.2021.03.047,
author = {Usmani, OS and Han, MK and Kaminsky, DA and Hogg, J and Hjoberg, J and Patel, N and Hardin, M and Keen, C and Rennard, S and Ble, F-X and Brown, MN},
doi = {10.1016/j.chest.2021.03.047},
journal = {CHEST},
pages = {114--134},
title = {Seven Pillars of Small Airways Disease in Asthma and COPD Supporting Opportunities for Novel Therapies},
url = {http://dx.doi.org/10.1016/j.chest.2021.03.047},
volume = {160},
year = {2021}
}