Article Citation
Yamada A, Watabe H, Takano N, Togo G, Yamaji Y, Yoshida H, Kawabe T, Omata M, Koike K. Utility of single and double balloon endoscopy in patients with difficult colonoscopy: A randomized controlled trial. World J Gastroenterol 2013; 19(29): 4732-4736 [PMID: 23922470 DOI: 10.3748/wjg.v19.i29.4732]
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