@article{ref1,
title="The problems and privileges of the adolescent",
journal="Public health",
year="1971",
author="Gunn, A. D.",
volume="85",
number="6",
pages="311-320",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3506",
doi="",
url="http://dx.doi.org/"
}