@article{ref1,
title="Working ability after isolated vertebral fracture",
journal="Reconstruction surgery and traumatology",
year="1976",
author="Chapchal, G. J. and Markus, J.",
volume="15",
number="",
pages="36-41",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0080-0260",
doi="",
url="http://dx.doi.org/"
}