1. Organisation for Economic Co-operation and Development. Computed tomography (CT) exams (indicator). 2017; https://data.oecd.org/healthcare/computed-tomography-ct-exams.htm, 11.1.2017.
2. Organisation for Economic Co-operation and Development. Magnetic resonance imaging (MRI) exams (indicator). 2017; https://data.oecd.org/healthcare/magnetic-resonance-imaging-mri-exams.htm#indicator-chart, 11.1.2017.
3. Evidence for overuse of medical services around the world;Brownlee;The Lancet.,2017
4. Cancer risk in 680000 people exposed to computed tomography scans in childhood or adolescence: data linkage study of 11 million Australians;Mathews;BMJ: British Medical Journal.,2013
5. Physician self-referral and imaging use appropriateness: negative cervical spine MRI frequency as an assessment metric;Amrhein;AJNR. American journal of neuroradiology.,2014