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. 2015 Jan 2;85(5):833–840. doi: 10.2319/090414.622.1

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© 2015 by The EH Angle Education and Research Foundation, Inc.

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Figure 3. Soft tissue landmarks and three-dimensional coordinate system: x-axis (left-right axis; left [+], right [−]), y-axis (vertical axis; superior [+], inferior [−]), and z-axis (anteroposterior axis; anterior [+], posterior [−]). — Soft tissue landmarks and three-dimensional coordinate system: x-axis (left-right axis; left [+], right [−]), y-axis (vertical axis; superior [+], inferior [−]), and z-axis (anteroposterior axis; anterior [+], posterior [−]).