@article{ref1,
title="Suicide mortality in adolescents and young adults, 1980-1999",
journal="Revue d'epidemiologie et de sante publique",
year="2004",
author="Levi, F. and Lucchini, F. and Negri, E. and La Vecchia, C.",
volume="52",
number="6",
pages="590-595",
abstract="Abstract unavailable.",
language="",
issn="0398-7620",
doi="",
url="http://dx.doi.org/"
}