@article{ref1,
title="Present trends in mortality in the age group 35--64 in selected developed countries between 1950--1973",
journal="World health statistics quarterly",
year="1978",
author="Ovcarov, V. K. and Bystrova, V. A.",
volume="31",
number="3",
pages="208-346",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0379-8070",
doi="",
url="http://dx.doi.org/"
}