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Cite this article as : S . M . Kabeer , S . A . Aliyu , F . K . Umar , I . Kamal , H . Murat , N . A . Muhammad , and M . K . A Karim . 2024 . Establishment of diagnostic reference level for routine CT scan examination in Sokoto state , Nigeria . Radioprotection 59 ( 3 ): 197 – 202