@article{ref1,
title="Shock and contusions of the heart",
journal="Praxis (Hallwag)",
year="1956",
author="Marcel, M. P.",
volume="45",
number="40",
pages="909-910",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0369-8394",
doi="",
url="http://dx.doi.org/"
}