title: Rare earth filtration: spectral distributions, exposure reduction and image quality effects for panoramic radiography.
authors.forename: D A
authors.initials: DA
authors.lastname: Tyndall
mesh_terms: D006801:Humans; D008674:Metals, Rare Earth; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement; D011862:Radiography, Panoramic / Q000379:methods*; D013057:Spectrum Analysis; D014963:X-Ray Intensifying Screens
chemical_list: D008674:Metals, Rare Earth