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1 Consideration of density matching technique of the plate type direct radiologic image system and the conventional X-ray film: first step for the subtraction
Sung-Soo So, Hyeun-Soo Noh, Chang-Sung Kim, Seong-Ho Choi, Kee-Deog Kim, Kyoo-Sung Cho
J Korean Acad Periodontol.2002;32(1):199-211.   Published online 2002 March 31     DOI: http://dx.doi.org/10.5051/jkape.2002.32.1.199
      

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