@article{ref1,
title="Behavioural and pharmacological studies on morphine-induced excitation of rats. Possible relation to brain catecholamines",
journal="Psychopharmacology",
year="1973",
author="Ayhan, I. H. and Randrup, A.",
volume="29",
number="4",
pages="317-328",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-3158",
doi="",
url="http://dx.doi.org/"
}