@article{ref1,
title="A Follow-Up Study of 53 Suicides Known to a Suicide Prevention Center",
journal="Life threatening behavior",
year="1972",
author="Sawyer, J. B. and Sudak, H. S. and Hall, S. R.",
volume="2",
number="4",
pages="227-238",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0047-4592",
doi="",
url="http://dx.doi.org/"
}