Yildirim, Omer S Hydroxyapatite dip coated and uncoated titanium poly-axial pedicle screws: an in vivo bovine model. [electronic resource] - Spine Apr 2006 - E215-20 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1528-1159 Standard No.: 10.1097/01.brs.0000210221.00778.c7 doi Subjects--Topical Terms: AnimalsBone Screws--standardsCattleCoated Materials, Biocompatible--standardsDurapatite--standardsLumbar Vertebrae--surgeryModels, AnimalThoracic Vertebrae--surgeryTitanium--standards