Fig. 2From: Phantom-based analysis of variations in automatic exposure control across three mammography systems: implications for radiation dose and image quality in mammography, DBT, and CEMAutomatic exposure control in digital mammography: behavior of technical factors, radiation dose, and image quality versus polymethyl methacrylate thickness. a Anode/filter combination. b Tube voltage (kVp). c Exposure (mAs). d Mean glandular dose, MGD (mGy). e Contrast-to-noise ratio (CNR). f Figure-of-merit (FOM)Back to article page