@article{ref1,
title="Tendency for Increasing Severity of Natural Disasters and the Indian Ocean Tsunami Disaster",
journal="Japan Medical Association journal - JMAJ",
year="2005",
author="Yamamoto, Yusuke",
volume="48",
number="7",
pages="325-326",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1346-8650",
doi="",
url="http://dx.doi.org/"
}