@article{ref1,
title="Study of the state of health of the activists of the student work brigades",
journal="Zdravookhranenie Rossiiskoi Federatsii",
year="1974",
author="Efremov, A. F. and Vvedenskaia, I. I. and Stoliarov, Iu I. and Iarygina, V. A. and Nikitin, I. K.",
volume="",
number="2",
pages="10-12",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-197X",
doi="",
url="http://dx.doi.org/"
}