@article{ref1,
title="Answer to the letter to the editor of Christensen S et al. concerning "The role of non-rigid cervical collar in pain relief and functional restoration after whiplash injury-a systematic review and a pooled analysis of randomized controlled trials" by Ricciardi L et al. (Eur Spine J; [2019] 28:1821-1828)",
journal="European spine journal",
year="2020",
author="Ricciardi, Luca and D'Arrigo, Sonia and Sturiale, Carmelo Lucio",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0940-6719",
doi="10.1007/s00586-020-06375-x",
url="http://dx.doi.org/10.1007/s00586-020-06375-x"
}