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Citation
Deng DH, Zuo HM, Wang JF, Gu ZE, Chen H, Luo Y, Chen M, Huang WN, Wang L, Lu W. New precut sphincterotomy for endoscopic retrograde cholangiopancreatography in difficult biliary duct cannulation. World J Gastroenterol 2007; 13(32): 4385-4390 [PMID: 17708616 DOI: 10.3748/wjg.v13.i32.4385]
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