@article{ref1,
title="Suicides in the light of data supplied by ambulance services in a large city",
journal="Polski Tygodnik Lekarski",
year="1971",
author="Matczak, J.",
volume="26",
number="29",
pages="1129-1131",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-3756",
doi="",
url="http://dx.doi.org/"
}