@article{ref1,
title="Use of calcium channel blockers and risk of suicide. Independent studies are needed before causality is established",
journal="British medical journal: BMJ",
year="1998",
author="Bergman, U. and Isacsson, G.",
volume="317",
number="7165",
pages="1076-1076",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}