@article{ref1,
title="The association of childhood bereavement with suicidal attempt in depressive illness",
journal="British journal of psychiatry",
year="1969",
author="Hill, O. W.",
volume="115",
number="520",
pages="301-304",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}