Endoscopic Treatment of Colo-Colonic Intussusception in a Patient with Peutz-Jeghers Syndrome oleh Takeshi Fujima, Daisuke Saito, Hidenori Shibuta, Ryota Ogihara, Hiromu Morikubo, Ryo Ozaki, Sotaro Tokunaga, Shintaro Minowa, Tatsuya Mitsui, Miki Miura, Mari Hayashida, Yoshiko Watanabe, Jun Miyoshi, Minoru Matsuura, Junji Shibahara, Etsuji Ukiyama, Tadakazu Hisamatsu