BibTex format
@article{Usmani:2020:10.1164/rccm.202003-0581ED,
author = {Usmani, OS},
doi = {10.1164/rccm.202003-0581ED},
journal = {American Journal of Respiratory and Critical Care Medicine},
pages = {1468--1470},
title = {Calling time on spirometry: unlocking the silent zone in acute rejection after lung transplantation},
url = {http://dx.doi.org/10.1164/rccm.202003-0581ED},
volume = {201},
year = {2020}
}