@article{ref1,
title="Reactions of mammalian fetal tissues to injury. V. Membrane bone",
journal="Acta anatomica",
year="1955",
author="Hess, A.",
volume="25",
number="2-4",
pages="280-285",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-5180",
doi="",
url="http://dx.doi.org/"
}