@article{ref1,
title="The nature of injuries during participation in sports",
journal="Voenno-Meditsinskii Zhurnal",
year="1970",
author="Leĭbkind, L. N.",
volume="1",
number="",
pages="66-67",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0026-9050",
doi="",
url="http://dx.doi.org/"
}