title: A test object for assessing image quality in mammography.
abstract: The problems inherent in the design and manufacture of mammographic test objects are discussed and a test object is described which may be used for assessing image quality. Some typical results from both good and bad mammographic machine/film combinations are presented.
mesh_terms: D000273:Adipose Tissue; D002114:Calcinosis / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008327:Mammography / Q000592:standards*; D008961:Models, Structural; D014867:Water
chemical_list: D014867:Water