@article{ref1,
title="Some physiological and pathological effects of moderate carbon monoxide exposure",
journal="British medical journal: BMJ",
year="1972",
author="Astrup, P.",
volume="4",
number="5838",
pages="447-452",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}