@article{ref1,
title="Poison control centers",
journal="Canadian journal of public health",
year="1958",
author="Collins-Williams, C.",
volume="49",
number="3",
pages="91-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4263",
doi="",
url="http://dx.doi.org/"
}