@article{ref1,
title="A statistical study of attempted suicides in Singapore",
journal="Singapore medical journal",
year="1974",
author="Chia, B. H. and Tsoi, W. F.",
volume="15",
number="4",
pages="253-256",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-5675",
doi="",
url="http://dx.doi.org/"
}