@article{ref1,
title="Experience in studying morbidity with temporary disability among railroad workers",
journal="Sovetskoe Zdravookhranenie",
year="1968",
author="Fridlib, I. M.",
volume="27",
number="7",
pages="38-41",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0038-5239",
doi="",
url="http://dx.doi.org/"
}