@article{ref1,
title="The effects of morphine-nalorphine mixtures on psychomotor performance",
journal="Journal of pharmacology and experimental therapeutics",
year="1956",
author="Bauer, R. O. and Pearson, R. G.",
volume="117",
number="3",
pages="258-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3565",
doi="",
url="http://dx.doi.org/"
}