DIN 6868-15:2022-01 Image quality assurance in X-ray departments - Part 15: Constancy testing of X-ray installations for dental radiographic equipment for digital cone-beam computed tomography
2022DIN 6868-15:2022-01 Image quality assurance in X-ray departments - Part 15: Constancy testing of X-ray installations for dental radiographic equipment for digital cone-beam computed tomography
2015DIN 6868-15:2015 Image quality assurance in X-ray departments - Part 15: RoV constancy testing of X-ray installations for dental radiographic equipment for digital cone-beam computed tomography