@article{ref1,
title="Clinically observed sequelae of hashish abuse",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1971",
author="Heinemann, C.",
volume="66",
number="48",
pages="1648-1653",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}