@article{ref1,
title="Attempt at standardizing the classification of injuries to the symphysis pubis",
journal="Wiadomosci Lekarskie",
year="1970",
author="Stelmachów, J. and Krawczyk, A. and Woszczyk, B.",
volume="23",
number="8",
pages="633-636",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}