Proofreading.

Proofread the following sentences. Insert punctuation as required.

The x-rays revealed: an articular fracture of the tibia, a butterfly fracture of the fibula, and a longitudinal fracture of the femur.

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http://www.grammarly.com/handbook/punctuation/colon/5/misuse-of-colon/

The x-rays revealed: an articular fracture of the tibia, a butterfly fracture of the fibula, and a longitudinal fracture of the femur.