@article{ref1,
title="Interdisciplinary tryptophan research and its coherence in 2006",
journal="International congress series",
year="2007",
author="Takai, Katsuji",
volume="1304",
number="",
pages="xi-xvi",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0531-5131",
doi="10.1016/j.ics.2007.07.048",
url="http://dx.doi.org/10.1016/j.ics.2007.07.048"
}