@article{ref1,
title="Measuring the sleepiness produced by secobarbital",
journal="Psychiatria, neurologia, neurochirurgia",
year="1973",
author="Verster, Joris Cornelis",
volume="76",
number="3",
pages="209-215",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2666",
doi="",
url="http://dx.doi.org/"
}