@article{ref1,
title="Fractures of the sternum (considerations on 18 observed cases)",
journal="Il Fracastoro",
year="1967",
author="Perusi, O.",
volume="60",
number="6",
pages="559-573",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0015-9271",
doi="",
url="http://dx.doi.org/"
}