@article{ref1,
title="Place and role of the epidemiological service in the public-health-care system",
journal="Narodno Zdravlje",
year="1974",
author="Feliks, R.",
volume="30",
number="1-2",
pages="14-22",
abstract="<p>[Abstract unavailable]</p><p>Language: sr</p>",
language="sr",
issn="0027-8025",
doi="",
url="http://dx.doi.org/"
}