@article{ref1,
title="Use of calcium channel blockers and risk of suicide. Perscriptions for particular drug are influenced by numerous factors",
journal="British medical journal: BMJ",
year="1998",
author="Chen, Y. T. and Makuch, R. W.",
volume="317",
number="7165",
pages="1077-1077",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}