@article{ref1,
title="What are the warning signs for suicidal adolescents?",
journal="Journal of psychosocial nursing and mental health services",
year="1993",
author="Becker-Fritz, T. and Barbee, M. A.",
volume="31",
number="2",
pages="37-41",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0279-3695",
doi="",
url="http://dx.doi.org/"
}