@article{ref1,
title="Copper poisoning from vending machines",
journal="Public health reports (1896)",
year="1958",
author="Hopper, S. H. and Adams, H. S.",
volume="73",
number="10",
pages="910-914",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6214",
doi="",
url="http://dx.doi.org/"
}