@article{ref1,
title="Child health in Sweden",
journal="Scandinavian journal of social medicine",
year="1977",
author="Berfenstam, Ragnar and Sundelin, C.",
volume="5",
number="1",
pages="1-3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0300-8037",
doi="",
url="http://dx.doi.org/"
}