@article{ref1,
title="Toxic hazards",
journal="New England journal of medicine",
year="1963",
author="Smythe, C. M. and Gibson, D. B.",
volume="269",
number="",
pages="1320-1321",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}