@article{ref1,
title="Mortality from violent causes in the Federal District of México",
journal="Salud publica de Mexico",
year="1975",
author="Olivares Urbina, C.",
volume="17",
number="2",
pages="207-218",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0036-3634",
doi="",
url="http://dx.doi.org/"
}