title: A multiple-film technique for contrast enhancement and-or reduction of patient exposure.
mesh_terms: D002140:California; D002758:Cholangiography; D005260:Female; D006801:Humans; D007089:Image Enhancement; D008297:Male; D008327:Mammography; D008722:Methods; D010781:Photography; D011835:Radiation Protection; D013679:Technology, Radiologic