@article{ref1,
title="Causes and effects of injuries in the rural population",
journal="Wiadomosci Lekarskie",
year="1970",
author="Koska, W.",
volume="23",
number="20",
pages="1839-1843",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}