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. 2006 Apr;27(4):879–881.

Demographic and injury characteristics for identical and fraternal twins

Age at TBI (y) Age at Testing and MR Imaging (y) Glasgow Coma Scale Coma Duration Acute CT Findings
Identical twin A 10.9 14.1 3 30 days Right frontal subdural hematoma, bilateral temporal contusions, shear hemorrhage at the right frontal vertex
Fraternal twin A 8.2 11.9 3 1.5 days Small right temporal contusion, multiple left parietal hemorrhagic shear injuries

Note:— TBI indicates traumatic brain injury.