@article{ref1,
title="Influence of earthquakes on perinatal mortality",
journal="Revista Chilena de Obstetricia y Ginecología",
year="1961",
author="Campodonico, I. and Urzua, E. and Benitez, L. and Brand, G.",
volume="26",
number="",
pages="113-117",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0048-766X",
doi="",
url="http://dx.doi.org/"
}