Application of Cervical Collars - An Analysis of Practical Skills of Professional Emergency Medical Care Providers Kreinest, Michael ; Goller, Sarah ; Rauch, Geraldine ; Frank, Christian ; Gliwitzky, Bernhard ; Wölfl, Christoph G. ; Matschke, Stefan ; Münzberg, Matthias Abstract Publication: PLoS ONE Pub Date: November 2015 DOI: 10.1371/journal.pone.0143409 Bibcode: 2015PLoSO..1043409K