@article{ref1,
title="Public health..... registration and statistics",
journal="Virginia medical monthly",
year="1961",
author="Shanholtz, M. I.",
volume="88",
number="",
pages="491-493",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-6644",
doi="",
url="http://dx.doi.org/"
}