@article{ref1,
title="Circadian variation in attempted suicide by deliberate self poisoning",
journal="British medical journal: BMJ",
year="1994",
author="Manfredini, R. and Gallerani, M. and Caracciolo, S. and Tomelli, A. and Calò, G. and Fersini, C.",
volume="309",
number="6957",
pages="774-775",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.309.6957.774",
url="http://dx.doi.org/10.1136/bmj.309.6957.774"
}