@article{69ad23ecb3744f10b351710829822dfe,
title = "An updated definition and severity classification of chronic obstructive pulmonary disease exacerbations: The rome proposal",
author = "Celli, \{Bartolome R.\} and Fabbri, \{Leonardo M.\} and Aaron, \{Shawn D.\} and Alvar Agusti and Robert Brook and Criner, \{Gerard J.\} and Franssen, \{Frits M.E.\} and Marc Humbert and Hurst, \{John R.\} and Denis O'Donnell and Leonardo Pantoni and Alberto Papi and Roberto Rodriguez-Roisin and Sanjay Sethi and Antoni Torres and Vogelmeier, \{Claus F.\} and Wedzicha, \{Jadwiga A.\}",
year = "2021",
month = dec,
day = "1",
doi = "10.1164/rccm.202108-1819PP",
language = "English",
volume = "204",
pages = "1251--1258",
journal = "American Journal of Respiratory and Critical Care Medicine",
issn = "1073-449X",
publisher = "Oxford University Press",
number = "11",
}