@article{ref1,
title="Phenmetrazine dependence. Follow-up studies",
journal="Psychiatria Polska",
year="1973",
author="Spasowicz, E. and Pittowska, J. and Skowrońska, J.",
volume="7",
number="5",
pages="497-500",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2674",
doi="",
url="http://dx.doi.org/"
}