@article{ref1,
title="Night-blindness",
journal="Lancet",
year="1941",
author="No Author(s) Listed, ",
volume="238",
number="6174",
pages="807-807",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(00)76667-0",
url="http://dx.doi.org/10.1016/S0140-6736(00)76667-0"
}