@article{ref1,
title="Bites by copperheads (Ancistrodon contortrix) in the United States",
journal="JAMA journal of the American Medical Association",
year="1967",
author="Parrish, H. M. and Carr, C. A.",
volume="201",
number="12",
pages="927-932",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}