Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GIUDICE M,An unusual tonsillolithiasis in a patient with chronic obstructive sialoadenitis,Dentomaxillofac Radiol,,,2005,34,,247-250,https://cir.nii.ac.jp/crid/1574231874938097408,