@article{ref1,
title="Poisonous Gases",
journal="British medical journal: BMJ",
year="1915",
author="Parker, Rhian",
volume="1",
number="2841",
pages="1027-1028",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}