@article{ref1,
title="Time expended by assistants of specialist health physicians in industrial hygiene for services to employees of machine building and light industry",
journal="Feldsher i Akusherka",
year="1974",
author="Enikeev, V. Kh and Mukhin, V. E. and Orlov, M. D.",
volume="39",
number="1",
pages="23-25",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0014-9772",
doi="",
url="http://dx.doi.org/"
}