Meckel’s diverticulum diagnosed by double-balloon enteroscopy - Ohnita, K; Isomoto, H; Mizuta, Y; Akazawa, S; Akazawa, Y; Ohba, K; Yoshimura, M; Shikuwa, S; Omagari, K; Fujita, F; Abe, K; Kohno, S (Endoscopy, 2007)