@article{ref1,
title="Little known etiology of headache in children: localized benign trauma of the upper cervical spine",
journal="JFORL. Journal français d'oto-rhino-laryngologie; audiophonologie et chirurgie maxillo-faciale",
year="1973",
author="Gaillard de Collogny, L. and Vernhes, J. C.",
volume="22",
number="3",
pages="245-254",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="",
doi="",
url="http://dx.doi.org/"
}