Comment on

• Computed Tomography Use for Adults With Head Injury: Describing Likely Avoidable Emergency Department Imaging Based on the Canadian CT Head Rule.

  Sharp AL, Nagaraj G, Rippberger EJ, Shen E, Swap CJ, Silver MA, McCormick T, Vinson DR, Hoffman JR. Sharp AL, et al. Acad Emerg Med. 2017 Jan;24(1):22-30. doi: 10.1111/acem.13061. Acad Emerg Med. 2017. PMID: 27473552
• Big Versus Small Data and the Generalizability of the Rate of Computed Tomography Overuse in Minor Head Injury.

  Melnick ER. Melnick ER. Acad Emerg Med. 2017 Mar;24(3):391-392. doi: 10.1111/acem.13084. Acad Emerg Med. 2017. PMID: 27617902 No abstract available.