@article{ref1,
title="Effect of tryptophan administration on spontaneous and P-CPA-induced muricidal aggression in laboratory rats",
journal="Pharmacol Res Commun",
year="1981",
author="Valzelli, L. and Bernasconi, S. and Dalessandro, M.",
volume="13",
number="9",
pages="891-897",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-6989",
doi="",
url="http://dx.doi.org/"
}