TY - JOUR AN - 18 AU - Sakai,P. AU - Kuga,R. AU - Safatle-Ribeiro,A.V. TI - Is it feasible to reach the by-passed stomach after Roux-en-Y-gastric by pass for morbid obesity? The use of the double-balloon enteroscope. JO - Endoscopy PY - 2005 VL - 37 SP - 566-569 M2 - 566 DO - 10.1055/s-2005-861444 ER -