BibTex format
@article{Paredi:2003,
author = {Paredi, P and Kharitonov, SA and Barnes, PJ},
journal = {Eur Respir J},
title = {Exhaled carbon monoxide in lung disease.},
url = {https://www.ncbi.nlm.nih.gov/pubmed/12570130},
volume = {21},
year = {2003}
}