Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Zbären Peter and Nuyens Michel and Caversaccio Marco and Greiner Richard and Stauffer Edouard,Postoperative Radiation Therapy for T1 and T2 Primary Parotid Carcinoma: Is it Useful?,Otolaryngology–Head and Neck Surgery,0194-5998,Wiley,2006-07,135,1,140-143,https://cir.nii.ac.jp/crid/1361699993912239232,https://doi.org/10.1016/j.otohns.2006.03.007