@article{ref1,
title="Carbon monoxide poisoning",
journal="Journal of family practice",
year="1981",
author="Caulfield, P. F. and Little, D. N.",
volume="13",
number="3",
pages="441-443",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-3509",
doi="",
url="http://dx.doi.org/"
}