@article{ref1,
title="Effects of topical ophthalmic 2 percent pilocarpine on visual performance of normal subjects",
journal="Aerospace medicine",
year="1968",
author="Lindstrom, E. E. and Tredici, T. J. and Martin, B. G.",
volume="39",
number="11",
pages="1236-1240",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}