@article{ref1,
title="Betel chewing and public health",
journal="Asia-Pacific journal of public health",
year="2011",
author="Binns, Colin and Low, Wah-Yun and Hewitt, Katie",
volume="23",
number="6",
pages="1021-1024",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1010-5395",
doi="10.1177/1010539511428690",
url="http://dx.doi.org/10.1177/1010539511428690"
}