@article{ref1,
title="Marital status and suicide: some common methodological problems",
journal="Journal of epidemiology and community health",
year="2000",
author="Cheung, Y. B. and Yip, Paul S. F.",
volume="54",
number="11",
pages="878-878",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0143-005X",
doi="",
url="http://dx.doi.org/"
}