Image quality assurance in diagnostic X-ray departments РPart 5: R̦V constancy testing of dental radiographic equipment
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2012
Image quality assurance in X-ray diagnostics – Part 5: Constancy testing in dental radiology
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2001
