Efficacy of Full-Spectrum Endoscopy to Visualize the Major Duodenal Papilla in Patients with Familial Adenomatous Polyposis

Ryoji Ichijima, Seiichiro Abe, Shunsuke Kobayashi, Takeyoshi Minagawa, Teppei Tagawa, Takeshi Nakajima, Masayoshi Yamada, Hiroyuki Takamaru, Masau Sekiguchi, Taku Sakamoto, Ichiro Oda, Takahisa Matsuda, Yutaka Saito, Takuji Gotoda