@article{ref1,
title="A public health approach to suicide prevention",
journal="Hong Kong journal of psychiatry",
year="2005",
author="Yip, P.S.F.",
volume="15",
number="1",
pages="29-31",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1026-2121",
doi="",
url="http://dx.doi.org/"
}