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13. A method for standardizing the photographic reproduction of charts and graphs. Powell DG J Biol Photogr Assoc; 1967 May; 35(2):57-9. PubMed ID: 4167150 [No Abstract] [Full Text] [Related]
14. New copiers for dental radiograph duplicating film. Allen MJ; Silha RE Dent Radiogr Photogr; 1976; 49(1):14-7. PubMed ID: 1063085 [No Abstract] [Full Text] [Related]