@article{ref1,
title="Visual consideration and correction for respiratory protective masks",
journal="Journal of the American Optometric Association",
year="1977",
author="Pitts, W. G.",
volume="48",
number="9",
pages="1159-1163",
abstract="The visual consideration in the selection of respiratory protective masks and the visual correction required by the wearer are discussed. Included is a list of manufacturers and suppliers of protective masks that have been designed for the mounting of corrective lenses inside the mask.<p /><p>Language: en</p>",
language="en",
issn="0003-0244",
doi="",
url="http://dx.doi.org/"
}