@article{ref1,
title="Three extrachomatous pilots treated regularly by tannic acid have been flying for 7,6 and 5 years without accident and with 10/10 visual acuity",
journal="Revue internationale du trachome",
year="1958",
author="Sedan, J.",
volume="35",
number="1",
pages="59-63",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0301-5017",
doi="",
url="http://dx.doi.org/"
}