@article{ref1,
title="Difference in mechanisms between psychological and physical dependence",
journal="Nihon Arukoru Yakubutsu Igakkai Zasshi",
year="2007",
author="Katsura, Masashi and Shibasaki, Masahiro and Kurokawa, Kazuhiro and Ohkuma, Seitaro",
volume="42",
number="5",
pages="481-486",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="1341-8963",
doi="",
url="http://dx.doi.org/"
}