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. 2019 Mar 18;122(4):278–285. doi: 10.1007/s00113-019-0626-8

Fig. 2.

Fig. 2

Design of a patient-specific drill guide for the placement of bilateral dual iliac screws for a patient with osteogenesis imperfecta undergoing posterior spinal fusion and instrumentation surgery in inlet (a) and posterior (b) orientations