@article{ref1,
title="Risk of suicide among users of calcium channel blockers: population based, nested case-control study",
journal="British medical journal: BMJ",
year="2000",
author="Gasse, C. and Derby, L. E. and Vasilakis, C. and Jick, H.",
volume="320",
number="7244",
pages="1251-1251",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}