Nikneshan, Sima, and Behrang Moghaddamzade. “The Perceptibility Ccurve Test Applied to CCD and Two Methods of Digitization of Dental Film-Based Radiographs”. Journal of Dental School 34, no. 1 (March 17, 2019): 44–50. Accessed July 8, 2026. https://journals.sbmu.ac.ir/dentistry/article/view/24688.