What are the head computed tomography scan rates in children presenting with headache to an Australian community teaching hospital emergency department?
Pediatric Emergency Medicine Journal. 2019;6(1):31-33 
Physician Prediction of Emergency Department Head Computed Tomography Scan Results
Academic Emergency Medicine. 2005;12(Supplement 1):170-170
383: Disparities in Computed Tomography Utilization for Adult Patients Presenting to the Emergency Department With Headache
Annals of Emergency Medicine. 2007;50(3):S120
Computed tomography findings in young children with minor head injury presenting to the emergency department greater than 24 h post injury
Injury. 2018;49(1):82-85
Acute Headache in Children and Adolescents Presenting to the Emergency Department
Headache: The Journal of Head and Face Pain. 2000;40(3):200-203
Emergency department discharge of patients with a negative cranial computed tomography scan after minimal head injury
The American Journal of Emergency Medicine. 2001;19(5):442-443
Computed tomographic scan findings in closed head trauma
Journal of Computed Tomography. 1977;1(2):115-120
Computed Tomography Scan Utilization Patterns in Pediatric Patients with Recurrent Headache
The Journal of Emergency Medicine. 2013;45(5):811-812
63 Increased Computed Tomography Scan Use Among Emergency Department Patients With Abdominal Pain Does Not Increase Diagnostic Certainty
Annals of Emergency Medicine. 2014;64(4):S23
Computed tomography scan use is rising faster than other investigational modalities in the emergency department evaluation of patients
Annals of Emergency Medicine. 2004;44(4):S33