@article{ref1,
title="Metformin overdose",
journal="American journal of emergency medicine",
year="1997",
author="Brady, W. J. and Carter, C. T.",
volume="15",
number="1",
pages="107-108",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0735-6757",
doi="10.1016/s0735-6757(97)90073-5",
url="http://dx.doi.org/10.1016/s0735-6757(97)90073-5"
}