@article{ref1,
title="Dynamics of the basic causes of death of the middle-aged and elderly population in the economically developed countries",
journal="Sovetskoe Zdravookhranenie",
year="1979",
author="Ovcharov, V. K. and Bystrova, V. A.",
volume="",
number="1",
pages="46-52",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0038-5239",
doi="",
url="http://dx.doi.org/"
}