@article{1e2c6ccf3f4340cc84d39bda41bbb9ea,
title = "Acute exacerbations of chronic obstructive pulmonary disease [2] (multiple letters)",
author = "Claudia Stey and Niederman, \{Michael S.\} and Sanjay Sethi and Fernando Martinez and Vincenza Snow",
year = "2002",
month = apr,
day = "2",
doi = "10.7326/0003-4819-136-7-200204020-00020",
language = "English",
volume = "136",
pages = "556--558",
journal = "Annals of Internal Medicine",
issn = "0003-4819",
publisher = "American College of Physicians",
number = "7",
}