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These devices can be divided into those that primarily function to replace a nucleus pulposus and those that completely replace the disc complex. In this article the author reviews the background leading to the development of the current group of disc replacements. The design and preliminary clinical results obtained using major lumbar and cervical devices are also reviewed.<\/jats:p>","DOI":"10.3171\/foc.2002.13.2.11","type":"journal-article","created":{"date-parts":[[2008,1,24]],"date-time":"2008-01-24T07:00:13Z","timestamp":1201158013000},"page":"1-7","source":"Crossref","is-referenced-by-count":21,"title":["Spinal arthroplasty"],"prefix":"10.3171","volume":"13","author":[{"given":"Vincent C.","family":"Traynelis","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"p_1","doi-asserted-by":"crossref","first-page":"1142","DOI":"10.2106\/00004623-195638050-00019","volume":"38","author":"Anderson CE","year":"1956","journal-title":"J Bone Joint Surg 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