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Fig 1. BAI. Midsagittal MDCT image of the craniocervical junction demonstrates the posterior axial line drawn along the posterior cortex of the body of the axis and extended cranially. The BAI is the distance between the basion and this line.
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Fig 1. BAI. Midsagittal MDCT image of the craniocervical junction demonstrates the posterior axial line drawn along the posterior cortex of the body of the axis and extended cranially. The BAI is the distance between the basion and this line.
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