@article{ref1,
title="Simultaneous fracture of both clavicles",
journal="Chirurgia Narzadow Ruchu i Ortopedia Polska",
year="1973",
author="Pizio, Z. and Kurz, E.",
volume="38",
number="3",
pages="321-323",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0009-479X",
doi="",
url="http://dx.doi.org/"
}