Department of Gastroenterology;
NTT Medical Center Tokyo;
Tokyo 141-8625;
Japan;
Division of Gastroenterology and Hepatology;
Yokohama City University School of Medicine;
Yokohama 236-0004;
Japan;
Angiodysplasia; Angioectasia; Dieulafoy's; lesion; Arteriovenous; malformation; Obscure; gastrointestinal; bleeding; Video; capsule; endoscopy; Deep; enteroscopy; Argon; plasm; coagulation;