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)

[摘要] Dear Editor, Thank you for allowing us to reply to this letter regarding our article entitled “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,” to elucidate possible mistakes and to add missing concepts and diferent points of view to the discussion [1].