BibTex format
@article{Ewig:2000:10.1034/j.1399-3003.2000.16f27.x,
author = {Ewig, S and Schäfer, H and Torres, A},
doi = {10.1034/j.1399-3003.2000.16f27.x},
journal = {EUROPEAN RESPIRATORY JOURNAL},
pages = {1193--1201},
title = {Severity assessment in community-acquired pneumonia},
url = {http://dx.doi.org/10.1034/j.1399-3003.2000.16f27.x},
volume = {16},
year = {2000}
}