@article{ref1,
title="Suicidal communication by adolescents. Study of two matched groups of 60 teenagers",
journal="Diseases of the nervous system",
year="1972",
author="Stevenson, E. K. and Hudgens, R. W. and Held, C. P. and Meredith, C. H. and Hendrix, M. E. and Carr, D. L.",
volume="33",
number="2",
pages="112-122",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}