@article{ref1,
title="Program for the identification of drugs and poisons by means of symptoms",
journal="Methods of information in medicine",
year="1966",
author="Pirtkien, R.",
volume="5",
number="1",
pages="31-35",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0026-1270",
doi="",
url="http://dx.doi.org/"
}