@article{ref1,
title="Degenerative retinal diseases and exposure to light: methods of epidemiological study",
journal="Vision research",
year="1980",
author="Krueger, D. E.",
volume="20",
number="12",
pages="1191-1194",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}