@article{ref1,
title="Trends in suicide mortality, 1955-1989: America, Africa, Asia and Oceania",
journal="Sozial und Praventivmedizin",
year="1994",
author="La Vecchia, C. and Lucchini, F. and Levi, F. and Negri, E.",
volume="39",
number="2",
pages="93-109",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0303-8408",
doi="",
url="http://dx.doi.org/"
}