Comment on

• An incomplete paraplegia following the dislocation of an artificial cervical total disc replacement.

  Viezens L, Schaefer C, Beyerlein J, Thietje R, Hansen-Algenstaedt N. Viezens L, et al. J Neurosurg Spine. 2013 Mar;18(3):255-9. doi: 10.3171/2013.1.SPINE12691. Epub 2013 Jan 25. J Neurosurg Spine. 2013. PMID: 23350533
• Arthroplasty.

  Ko CC, Huang WC, Wu JC, Tu TH, Cheng H. Ko CC, et al. J Neurosurg Spine. 2013 Aug;19(2):264-5. doi: 10.3171/2013.4.SPINE13324. Epub 2013 Jun 7. J Neurosurg Spine. 2013. PMID: 23746091 No abstract available.