@article{ref1,
title="Railroad Retirement Board disability annuities",
journal="AMA archives of industrial hygiene and occupational medicine",
year="1950",
author="Werch, S. C.",
volume="2",
number="4",
pages="374-389",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-6703",
doi="",
url="http://dx.doi.org/"
}