Koller, Heiko <br/><br/>
The impact of a distal expansion mechanism added to a standard pedicle screw on pullout resistance. A biomechanical study.  [electronic resource] 

 -  The spine journal : official journal of the North American Spine Society  May 2013 
 - 532-41 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1878-1632 
<br/><br/><label>Standard No.: </label>10.1016/j.spinee.2013.01.038  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Biomechanical Phenomena<br/>Bone Screws<br/>Cadaver<br/>Female<br/>Humans<br/>Lumbar Vertebrae--surgery<br/>Male<br/>Materials Testing<br/>Middle Aged<br/>Spinal Fusion--instrumentation