@article{ref1,
title="Fatal verapamil toxicity and hypokalemia",
journal="American heart journal",
year="1991",
author="Minella, R. A. and Schulman, D. S.",
volume="121",
number="6 Pt 1",
pages="1810-1812",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8703",
doi="10.1016/0002-8703(91)90033-e",
url="http://dx.doi.org/10.1016/0002-8703(91)90033-e"
}