@article{ref1,
title="Suicide by psychiatric patients in Singapore",
journal="Singapore medical journal",
year="1982",
author="Kua, E. H. and Sim, L. P.",
volume="23",
number="5",
pages="252-254",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-5675",
doi="",
url="http://dx.doi.org/"
}