@article{ref1,
title="Fracture of the spine. Follow-up on a material treated by early mobilization",
journal="Acta orthopaedica Scandinavica",
year="1969",
author="Andersen, P. T. and Horlyck, E.",
volume="40",
number="5",
pages="653-663",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6470",
doi="",
url="http://dx.doi.org/"
}