@article{ref1,
title="Effect of breathing cold air on pulmonary mechanics in normal man",
journal="Journal of applied physiology (APS DC)",
year="1969",
author="Guleria, J. S. and Talwar, J. R. and Malhotra, O. P. and Pande, J. N.",
volume="27",
number="3",
pages="320-322",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-8987",
doi="",
url="http://dx.doi.org/"
}