@article{ref1,
title="Opioid peptides in pathological states",
journal="Zeitschrift für Medizinische Laboratoriumsdiagnostik",
year="1989",
author="Slepushkin, V. D. and Zoloev, G. K. and Kun, V. I.",
volume="30",
number="5",
pages="281-282",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0323-5637",
doi="",
url="http://dx.doi.org/"
}