@article{ref1,
title="Attempted suicide in social networks",
journal="British journal of preventive and social medicine",
year="1969",
author="Kreitman, N. and Smith, Peter and Tan, E. S.",
volume="23",
number="2",
pages="116-123",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1242",
doi="",
url="http://dx.doi.org/"
}