@article{ref1,
title="The new bipolar era and beyond",
journal="Journal of affective disorders",
year="2001",
author="Akiskal, H.S. and Katona, C.P.",
volume="67",
number="1-3",
pages="1-2",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0165-0327",
doi="10.1016/S0165-0327(01)00428-1",
url="http://dx.doi.org/10.1016/S0165-0327(01)00428-1"
}