@article{ref1,
title="Some effects of pregnancy on the eye",
journal="American journal of optometry and archives of American Academy of Optometry",
year="1958",
author="Hilton, G. F.",
volume="35",
number="3",
pages="117-124",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9408",
doi="",
url="http://dx.doi.org/"
}