@article{ref1,
title="Self poisoning in Singapore--main causative factors",
journal="Singapore medical journal",
year="1981",
author="Tsoi, W. F. and Kok, L. P.",
volume="22",
number="5",
pages="284-287",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-5675",
doi="",
url="http://dx.doi.org/"
}