@article{ref1,
title="Early or juvenile delinquency",
journal="La Semana Médica",
year="1957",
author="Greco, N. V.",
volume="111",
number="1",
pages="20-8 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0370-9590",
doi="",
url="http://dx.doi.org/"
}