@article{ref1,
title="Suicide risk among persons attempting suicide",
journal="Public health reports (1896)",
year="1963",
author="Tuckman, J. and Youngman, W. F.",
volume="78",
number="",
pages="585-587",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6214",
doi="",
url="http://dx.doi.org/"
}