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References from Proportional Harmony or Radiographic Precision? Interpreting the Role of T4-L1 Pelvic Angle Normalization in Long-Segment Adult Spinal Deformity Fusion. Local targets link to admitted publications; unresolved targets remain external evidence.
The T4-L1-Hip Axis: Defining a Normal Sagittal Spinal Alignment
10.1097/brs.0000000000004414 · 2022 · External reference
