@article{ref1,
title="Interpretation of a number of demographic indices in the North",
journal="Sovetskoe Zdravookhranenie",
year="1986",
author="Orekhov, K. V. and Novikov, O. M.",
volume="",
number="9",
pages="27-31",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0038-5239",
doi="",
url="http://dx.doi.org/"
}