@article{ref1,
title="The effect of caffeine on the electroretinogram in man",
journal="Ärztliche Forschung",
year="1966",
author="Müller-Limmroth, W.",
volume="20",
number="2",
pages="86-89",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0001-9496",
doi="",
url="http://dx.doi.org/"
}