@article{ref1,
title="Accidental coal-gas poisoning; loss of sense of smell as a possible contributory factor with old people",
journal="British medical journal: BMJ",
year="1957",
author="CHALKE, H. D. and DEWHURST, J. R.",
volume="",
number="5050",
pages="915-917",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}