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This paper focuses on the extension of project procurement concepts and processes with the aim of integrating sustainable procurement into the project management methodology provided by the PMBOK framework. The starting point is to include sustainability into the organisational structure. Subsequently, a bridge is built between the organisations'(More)
INTRODUCTION Computer image guidance is one of the most significant technologic advancements in the spine surgery, because preoperative or intraoperative images can be used for multiplanar, three-dimensional intraoperative navigation. MATERIAL AND METHODS We performed a prospective clinical study to assess the accuracy of pedicle screw insertion using an(More)
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