title: Physical quality control for screening mammography.
abstract: In this article I discuss the physical factors affecting the quality of a mammogram and describe a radiographer-based management system for monitoring and controlling imaging constancy. The test objects and protocols have been used to date in three fixed and one mobile locations with success.
authors.affiliation: NE Thames Regional Health Authority, London.
authors.forename: A
authors.initials: A
authors.lastname: Calverd
mesh_terms: D008327:Mammography / Q000592:standards*; D011786:Quality Control; D011829:Radiation Dosage