@article{ref1,
title="Discovery and invention in the history of adolescence",
journal="Journal of Adolescent Health",
year="1993",
author="Kett, J. F.",
volume="14",
number="8",
pages="605-12, 664",
abstract="<p>[Abstract unavailable]</p> <p>Language: es</p>",
language="es",
issn="1054-139X",
doi="",
url="http://dx.doi.org/"
}