2Yamamoto H, Kita H, Sunada K, et al. Clinical outcomes of doubleballoon endoscopy for the diagnosis and treatment of small intestinal diseases [ J ]. Clin Gastroenterol Hepatol, 2004,2:1010 - 1016.
4Adler DG,Leighton JA,Davila RE,et al. ASGE guideline:the role of endoscopy in acute non-variceal upper-GI hemorrhage[ J]. Gastrointest Endosc,2004,60(4) :497 -504.
5Davila RE, Rajan E, Adler DG, et al. ASGE guideline:the role of endoscopy in the patient with lower-GI bleeding [ J ]. Gastrointest Endosc ,2005,62 ( 5 ) :656 - 660.
6Fireman Z, Friedman S. Diagnostic yield of capsule endoscopy in obscure gastrointestinal bleeding [ J ]. Digestion, 2004,70 : 201 - 206.
