BibTex format
@article{Paredi:2007:10.1164/ajrccm.175.6.629,
author = {Paredi, P},
doi = {10.1164/ajrccm.175.6.629},
journal = {AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE},
pages = {629--629},
title = {How much smoke do we need in order to assume that there is a fire?},
url = {http://dx.doi.org/10.1164/ajrccm.175.6.629},
volume = {175},
year = {2007}
}