@article{ref1,
title="Are water supplies safe from bioterrorism?",
journal="Postgraduate medicine",
year="2001",
author="Homler, H.",
volume="109",
number="1",
pages="18-18",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-5481",
doi="",
url="http://dx.doi.org/"
}