@article{ref1,
title="A type of congenital ocular motor apraxia presenting jerky head movements",
journal="American journal of ophthalmology",
year="1953",
author="Cogan, D. G.",
volume="36",
number="4",
pages="433-441",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-9394",
doi="",
url="http://dx.doi.org/"
}