@article{ref1,
title="Epidemiology of suicide: Comparison of two periods (1931-1950 and 1961-1980)",
journal="Psiquis (Madrid, Spain)",
year="1990",
author="Agudo Perez, E.",
volume="11",
number="8",
pages="31-36",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0210-8348",
doi="",
url="http://dx.doi.org/"
}