@article{ref1,
title="Effect of the main causes of death on average life expectancy of the urban and rural population of the Maritime Territory in 1969-1970",
journal="Zdravookhranenie Rossiiskoi Federatsii",
year="1974",
author="Ostapenko, A. L. and Isaeva, G. P.",
volume="",
number="3",
pages="21-25",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-197X",
doi="",
url="http://dx.doi.org/"
}