@article{ref1,
title="The extent and significance of suicide among American Indians today",
journal="Mental hygiene",
year="1971",
author="Havighurst, Robert J.",
volume="55",
number="2",
pages="174-177",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-9683",
doi="",
url="http://dx.doi.org/"
}