@article{ref1,
title="The stability and variability of suicide rates in the states of the USA",
journal="Perceptual and motor skills",
year="1992",
author="Lester, David",
volume="75",
number="2",
pages="494-494",
abstract="The suicide rates of the American states in 1918-1922 were only weakly associated with the rates in 1980. The mean rate had not changed by 1980, but the standard deviation of the rates had decreased.<p /> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}