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The ability of external immobilizers to restrict movement of the cervical spine: a systematic review | SpringerLink
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Evaluation of clinical efficacy and safety of cervical trauma collars: differences in immobilization, effect on jugular venous pressure and patient comfort | Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine | Full Text
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Amazon.com: Aspen Medical Products Cervical Collar, Neck Brace for Optimal Support & Comfort, Regular Size, 983110 Adult Regular : Health & Household
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Figure 1 | Analysis of a customized cervical collar to improve neck posture during smartphone usage: a comparative study in healthy subjects | SpringerLink
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