BibTex format
@article{Bikov:2013:10.1186/1471-2466-13-43,
author = {Bikov, A and Paschalaki, K and Logan-Sinclair, R and Horvath, I and Kharitonov, SA and Barnes, PJ and Usmani, OS and Paredi, P},
doi = {10.1186/1471-2466-13-43},
journal = {BMC Pulmonary Medicine},
pages = {1--7},
title = {Standardised exhaled breath collection for the measurement of exhaled volatile organic compounds by proton transfer reaction mass spectrometry},
url = {http://dx.doi.org/10.1186/1471-2466-13-43},
volume = {13},
year = {2013}
}