BibTex format
@article{Ritchie:2021:10.1164/rccm.202102-0253UP,
author = {Ritchie, AI and Baker, JR and Parekh, TM and Allinson, JP and Bhatt, SP and Donnelly, LE and Donaldson, GC},
doi = {10.1164/rccm.202102-0253UP},
journal = {AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE},
pages = {14--22},
title = {Update in Chronic Obstructive Pulmonary Disease 2020},
url = {http://dx.doi.org/10.1164/rccm.202102-0253UP},
volume = {204},
year = {2021}
}