Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAERLE SK,(18)F-FDG-PET/CT versus panendoscopy for the detection of synchronous second primary tumors in patients with head and neck squamous cell carcinoma,Head Neck,,,2010,32,,319-325,https://cir.nii.ac.jp/crid/1570572700077191424,