Nurmajila Nurmajila, Ni Putu Rita Jeniyanthi, and I Kadek Sukadana, “Analysis Of The Effect Of Pitch Value Variation On Image Quality And Examination Time Using A Water Phantom On Head CT Scan Examination Protocol At Ibnu Sina Islamic Hospital Pekanbaru”, jig, vol. 2, no. 1, pp. 77–84, Nov. 2023.