title: Cephalometic dose reduction with prepatient rare earth filtration.
mesh_terms: D002508:Cephalometry / Q000295:instrumentation*; D004867:Equipment Design; D005682:Gadolinium; D006801:Humans; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement / Q000295:instrumentation; D014963:X-Ray Intensifying Screens
chemical_list: D005682:Gadolinium