@article{ref1,
title="Poison gases in trench warfare",
journal="Atlanta J Rec Med",
year="1917",
author="",
volume="64",
number="6",
pages="187-188",
abstract="[Full text available on PubMed Central]<p /><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}