@article{ref1,
title="Adolescent health habits and risk behavior. Intensive concentration of the municipalities for better health",
journal="Lakartidningen",
year="1993",
author="Kelly, K. B. and Alvén, B. and Erdes, L. and Erneholm, T. and Johannisson, I. and Mattsson-Elofson, E.",
volume="90",
number="8",
pages="710-717",
abstract="<p>[Abstract unavailable]</p> <p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}