Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakamura Tadashi and Okano Tomohiro,Reduction of Population Dose in Intraoral Radiography,"THE JOURNAL OF THE STOMATOLOGICAL SOCIETY,JAPAN",03009149,"The Stomatological society, Japan",1977,44,4,285-292,https://cir.nii.ac.jp/crid/1390282681318337280,https://doi.org/10.5357/koubyou.44.285