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Advances in Orthopedics
Volume 2018, Article ID 1623647, 9 pages
https://doi.org/10.1155/2018/1623647
Clinical Study

PEEK versus Silicon Interspinous Spacer for Reduction of Supradjacent Segment Degeneration following Decompression and Short-Segment Instrumentation for Degenerative Lumbar Spinal Stenosis

1Orthopaedics Department, General Hospital of Patras, Tsertidou Str 1, 26224, Greece
2AMR Advanced Medical Research GmbH, Hofenstrasse 89b, CH-8708 Männedorf, Switzerland

Correspondence should be addressed to Vasileios Syrimpeis; rg.sartapu@avis

Received 19 February 2018; Revised 6 June 2018; Accepted 19 June 2018; Published 8 August 2018

Academic Editor: Hiroshi Hashizume

Copyright © 2018 Panagiotis Korovessis et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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