@article{ref1,
title="Dark adaptation in patients with chronic liver diseases. 1. Disturbances in dark adaptation in patients with chronic liver",
journal="Deutsche Gesundheitswesen",
year="1971",
author="Klein, S. and Dökert, B. and Dressel, H. and Renger, F.",
volume="26",
number="22",
pages="1027-1030",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0219",
doi="",
url="http://dx.doi.org/"
}