1. youmans w. youmans & winn neuroligical surgery. 7th ed2017.

2. Taylor CA. Traumatic brain injury-related emergency department visits, hospitalizations, and deaths-United States, 2007 and 2013. MMWR Surveillance Summaries 2017;66. [DOI:10.15585/mmwr.ss6609a1]

3. Frost RB, Farrer TJ, Primosch M, Hedges DW. Prevalence of traumatic brain injury in the general adult population: a meta-analysis. Neuroepidemiology 154-59:(3)40;2013. [DOI:10.1159/000343275]

4. Fazel M, Fakharian A, Tabesh E, Furqani Z, Moghadam A, Mousavi Sagh. Studying the frequency and causes of brain injuries caused by trauma in Kashan hospitals during 2013-2015.

5. Mata-Mbemba D, Mugikura S, Nakagawa A, Murata T, Kato Y, Tatewaki Y, et al. Canadian CT head rule and New Orleans Criteria in mild traumatic brain injury: comparison at a tertiary referral hospital in Japan. SpringerPlus 2016;5(1) :176. [DOI:10.1186/s40064-016-1781-9]

6. Organization WH. Effective choices for diagnostic imaging in clinical practice: report of a WHO scientific group [meeting held in Geneva from 7 to 14 November 1988]. 1990.

7. Mecklenburg RS. Taking charge of imaging: implementing a utilization program. Applied Radiology 2012;41(7/8):18. [DOI:10.37549/AR1918]

8. Haydel MJ, Preston CA, Mills TJ, Luber S, Blaudeau E, DeBlieux PM.Indications for computed tomography in patients with minor head injury. New England Journal of Medicine 2000;343(2):100-. [DOI:10.1056/NEJM200007133430204]

9. Hart D, Wall B. UK population dose from medical X-ray examinations.European journal of radiology 2004;50(3):285-91. [DOI:10.1016/S0720-048X(03)00178-5]

10. De Gonzalez AB, Salotti JA, McHugh K, Little MP, Harbron RW, Lee C, et al. Relationship between paediatric CT scans and subsequent risk of leukaemia and brain tumours: assessment of the impact of underlying conditions. British journal of cancer 2016;114(4):388. [DOI:10.1038/bjc.2015.415]

11. Massoud E, Diab H. Optimization of Dose to Patient in Diagnostic Radiology Using Monte Carlo Method. Journal of Cell Science & Therapy 2014;5(1):1. [DOI:10.4172/2157-7013.1000155]

12. Forozan A, Masoumi K, Motamed H, Timuri A, Barzegari H, Wendy Bez, etc. Epidemiological study of head trauma patients referred to the emergency department. Iranian Journal of Emergency Medicine 2015;2(3):134-8.

13. Maidani, Mousavi, Hamidian, Pour F, Asgharzadeh A, Bidgoli N. Investigating the appropriate use of CT scan in triage departments. Journal of Hospital 2017;16(2):27-35.

14. Stiell IG, Clement CM, Rowe BH, Schull MJ, Brison R, Cass D, et al. Comparison of the Canadian CT Head Rule and the New Orleans Criteria in patients with minor head injury. Jama 2005;294(12):1511-8. [DOI:10.1001/jama.294.12.1511]

15. Farizal F, Haspani MSM. Mild Paediatric Head Injury: The Diagnostic Value of Physical Examinations Compared with Computed Tomographic Scans. The Malaysian journal of medical sciences: MJMS. 2012;19(3):64.

16. Iranmanesh F. Outcome of head trauma. The Indian Journal of Pediatrics 2009;76(9):929. [DOI:10.1007/s12098-009-0143-9]

17. Sharif-Alhoseini M, Khodadadi H, Chardoli M, Rahimi-Movaghar V.Indications for brain computed tomography scan after minor head injury. Journal of Emergencies, Trauma and Shock 2011;4(4):472. [DOI:10.4103/0974-2700.86631]

18. Melnick ER, Szlezak CM, Bentley SK, Dziura JD, Kotlyar S, Post LA. CT overuse for mild traumatic brain injury. The Joint Commission Journal on Quality and Patient Safety 2012;38(11):483-9. [DOI:10.1016/S1553-7250(12)38064-1]

19. Smith-Bindman R, Lipson J, Marcus R, Kim K-P, Mahesh M, Gould R, et al.Radiation dose associated with common computed tomography examinations and the associated lifetime attributable risk of cancer. Archives of internal medicine 2078-86:(22)169;2009 [DOI:10.1001/archinternmed.2009.427]

20. Lehnert BE, Bree RL. Analysis of appropriateness of outpatient CT and MRI referred from primary care clinics at an academic medical center: how critical is the need for improved decision support? Journal of the American College of Radiology 2010;7(3):192-97. [DOI:10.1016/j.jacr.2009.11.010]

21. Jakovljevic M, Vukovic M, Chen C-C, Antunovic M, Dragojevic-Simic V, Velickovic-Radovanovic R, et al. Do health reforms impact cost consciousness of Health care professionals? Results from a nation-wide survey in the Balkans. Balkan Medical Journal 2016;33(1):8. [DOI:10.5152/balkanmedj.2015.15869]

22. Bentley TG, Effros RM, Palar K, Keeler EB. Waste in the US health care system: a conceptual framework. The Milbank Quarterly 2008;86(4):629-59. [DOI:10.1111/j.1468-0009.2008.00537.x]

23. Azami-Aghdash S, Sadeghi-Bazargani H, Shabaninejad H, Gorji HA. Injury epidemiology in Iran: a systematic review. Journal of injury and violence research 2017;9(1):27. [DOI:10.19082/3630]

24. Reza A, Riahi E, Daneshi A, Golchini E. The incidence of traumatic brain injury in Tehran, Iran. Brain injury 2018;32(4):487-92. [DOI:10.1080/02699052.2018.1429658]

25. Farzaneh E, Fattahzadeh-Ardalani G, Abbasi V, Kahnamouei-Aghdam F, Molaei B, Iziy E, et al. The epidemiology of hospital-referred head injury in Ardabil City. Emergency medicine international 2017;2017. [DOI:10.1155/2017/1439486]

26. Asadian L, Hadadi K, Montaza SH, Khademloo M, Mirzaii N. An epidemiological study of head injuries in patients attending Sari Imam Khomeini Hospital, 2013-2014. Journal of Mazandaran University of Medical Sciences 2015;24(122)207-16.

27. Stiell IG, Wells GA, Vandemheen K, Clement C, Lesiuk H, Laupacis A, et al. The Canadian CT Head Rule for patients with minor head injury. The Lancet 2001;357(9266):1391-6. [DOI:10.1016/S0140-6736(00)04561-X]

28. Alonso JV, del Pozo FJF, Álvarez MV, Lopera EL, Segura MG, Arévalo RG. Comparison of the Canadian CT head rule and the New Orleans criteria in patients with minor head injury in a Spanish hospital. Medicina Clínica (English Edition) 2016;147(12):523-30. [DOI:10.1016/j.medcle.2016.12.040]

29. Jame SZB, Majdzadeh R, Sari AA, Rashidian A, Arab M, Rahmani H. Indications and overuse of computed tomography in minor head trauma. Iranian Red Crescent Medical Journal 2014;16(5.( [DOI:10.5812/ircmj.13067]

30. Papa L, Stiell IG, Clement CM, Pawlowicz A, Wolfram A, Braga C, et al. Performance of the Canadian CT Head Rule and the New Orleans Criteria for predicting any traumatic intracranial injury on computed tomography in a United States Level I trauma center. Academic Emergency Medicine 2012;19(1):2-10. [DOI:10.1111/j.1553-2712.2011.01247.x]

31. Smits M, Dippel DW, de Haan GG, Dekker HM, Vos PE, Kool DR, et al. External validation of the Canadian CT Head Rule and the New Orleans Criteria for CT scanning in patients with minor head injury. Jama 2005;294(12):1519-25. [DOI:10.1001/jama.294.12.1519]

32. Kavalci C, Aksel G, Salt O, Yilmaz MS, Demir A, Kavalci G, et al. Comparison of the Canadian CT head rule and the New Orleans criteria in patients with minor head injury. World Journal of Emergency Surgery 2014;9(1):1-5. [DOI:10.1186/1749-7922-9-31]

33. Bouida W, Marghli S, Souissi S, Ksibi H, Methammem M, Haguiga H, et al. Prediction value of the Canadian CT head rule and the New Orleans criteria for positive head CT scan and acute neurosurgical procedures in minor head trauma: a multicenter external validation study. Annals of emergency medicine 2013;61(5):521-27. [DOI:10.1016/j.annemergmed.2012.07.016]

34. Svensson S, Vedin T, Clausen L, Larsson P-A, Edelhamre M. Application of NICE or SNC guidelines may reduce the need for computerized tomographies in patients with mild traumatic brain injury: a retrospective chart review and theoretical application of five guidelines. Scandinavian journal of trauma, resuscitation and emergency medicine 2019;27(1):99. [DOI:10.1186/s13049-019-0673-8]