PECARN prediction rules for CT imaging of children presenting to the emergency department with blunt abdominal or minor head trauma: a multicentre prospective validation study.

Holmes JF, Yen K, Ugalde IT, Ishimine P, Chaudhari PP, Atigapramoj N, Badawy M, McCarten-Gibbs KA, Nielsen D, Sage AC, Tatro G, Upperman JS, Adelson PD, Tancredi DJ, Kuppermann N