@article{ref1,
title="Evaluation of a Suicide Prevention Center by Sampling the Population at Risk",
journal="Life threatening behavior",
year="1971",
author="Motto, J. A.",
volume="1",
number="1",
pages="18-22",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0047-4592",
doi="",
url="http://dx.doi.org/"
}