@article{ref1,
title="Harmful habits as a risk factor (based on data from family observations in 1971-1976)",
journal="Zdravookhranenie Rossiiskoi Federatsii",
year="1978",
author="Sokolov, V. D.",
volume="",
number="4",
pages="14-17",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-197X",
doi="",
url="http://dx.doi.org/"
}