@article{ref1,
title="The effect on vigilance of an analgesic combination (Ataralgin) and its components, Guaiphenesine and caffeine",
journal="Activitas nervosa superior",
year="1986",
author="Kozená, L. and Frantík, E. and Horváth, M.",
volume="28",
number="2",
pages="153-155",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-7604",
doi="",
url="http://dx.doi.org/"
}