Pedicle screw insertion with or without navigation techniques [54] Weinstein JN, Spratt KF, Spengler D, Brick C, Reid S. Spinal pedicle fixation: reliability and validity of roentgenogram-based assessment and surgical factors on successful screw placement. Spine (Phila Pa 1976) 1988;13:1012-8. [55] Wu H, Gao ZL, Wang JC, Li YP, Xia P, Jiang R. Pedicle screw placement in the thoracic spine: a randomized comparison study of computer-assisted navigation and conventional techniques. Chin J Traumatol 2010;13:201-5.
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[56] Yu X, Xu L, Bi LY. Spinal navigation with intraoperative 3D-imaging modality in lumbar pedicle screw fixation. Zhong hua Yi Xue Za Zhi 2008;88: 1905-8. [57] Zausinger S, Scheder B, Uhl E, Heigl T, Morhard D, Tonn JC. Intraoperative computed tomography with integrated navigation system in spinal stabilizations. Spine 2009;(Phila Pa 1976) 34:2919-26.
Retraction: Physical and degradation properties of PLGA scaffolds fabricated by salt fusion technique. The paper entitled ‘‘Physical and degradation properties of PLGA scaffolds fabricated by salt fusion technique. J Biomed Res 27(4), 318325 (DOI: 10.7555/JBR.27.20130001)’’ has been retracted. The paper is withdrawn at the request of the editor as it contains plagiarized materials from Murphy, William L., et al. ‘‘Salt fusion: an approach to improve pore interconnectivity within tissue engineering scaffolds.’’ Tissue engineering 8.1 (2002): 43-52. The Publisher apologizes for any inconvenience this may cause.
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[56] Yu X, Xu L, Bi LY. Spinal navigation with intraoperative 3D-imaging modality in lumbar pedicle screw fixation. Zhong hua Yi Xue Za Zhi 2008;88: 1905-8. [57] Zausinger S, Scheder B, Uhl E, Heigl T, Morhard D, Tonn JC. Intraoperative computed tomography with integrated navigation system in spinal stabilizations. Spine 2009;(Phila Pa 1976) 34:2919-26.
Retraction: Physical and degradation properties of PLGA scaffolds fabricated by salt fusion technique. The paper entitled ‘‘Physical and degradation properties of PLGA scaffolds fabricated by salt fusion technique. J Biomed Res 27(4), 318325 (DOI: 10.7555/JBR.27.20130001)’’ has been retracted. The paper is withdrawn at the request of the editor as it contains plagiarized materials from Murphy, William L., et al. ‘‘Salt fusion: an approach to improve pore interconnectivity within tissue engineering scaffolds.’’ Tissue engineering 8.1 (2002): 43-52. The Publisher apologizes for any inconvenience this may cause.
