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The "magnification sign" of triple mandibular fracture
The British Journal of Radiology
|February 1, 1977
Abstract:
A new sign which can be readily detected in a standard postero-anterior projection of the mandible is described. It indicates that there are fractures of both mandibular necks and the horizontal ramus near the mid-line. There do not appear to be any situations in which a false positive sign is produced.

