Luminescence and intensifying screens in the early days of radiography.
D005060:Europe; D005453:Fluorescence; D006666:History of Medicine; D008163:Luminescent Measurements; D011851:Radioactivity; D011856:Radiographic Image Enhancement / Q000266:history; D011859:Radiography / Q000266:history*; D014481:United States; D014965:X-Rays / Q000266:history