title: Proceedings: An electronic device for direct readout of bone mineral content from roentgenograms scanned with a microphotodensitometer.
mesh_terms: D015502:Absorptiometry, Photon / Q000295:instrumentation* / Q000379:methods; D000539:Alveolar Process / Q000000981:diagnostic imaging*; D001842:Bone and Bones / Q000000981:diagnostic imaging*; D005385:Fingers / Q000000981:diagnostic imaging; D006801:Humans; D008433:Mathematics; D008903:Minerals; D010783:Photometry / Q000295:instrumentation*
chemical_list: D008903:Minerals