@article{ref1,
title="Suicide among older persons--United States, 1980-1992",
journal="MMWR: Morbidity and mortality weekly report",
year="1996",
author="Centers for Disease Control and Prevention, USA, ",
volume="45",
number="1",
pages="3-6",
abstract="Abstract unavailable.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}