@article{ref1,
title="Prevalence of post-traumatic stress syndrome in the population surviving a natural disaster",
journal="Salud publica de Mexico",
year="1987",
author="Tapia Conyer, R. and Sepúlveda Amor, J. and Medina Mora, M. E. and Caraveo, J. and de la Fuente, J. R.",
volume="29",
number="5",
pages="406-411",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0036-3634",
doi="",
url="http://dx.doi.org/"
}