@article{ref1,
title="Hypersensitivity pneumonia due to contamination of a car air conditioner",
journal="New England journal of medicine",
year="1981",
author="Kumar, P. and Marier, R. and Leech, S. H.",
volume="305",
number="25",
pages="1531-1532",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJM198112173052515",
url="http://dx.doi.org/10.1056/NEJM198112173052515"
}