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Langenbeck's Archives of Surgery > 2017 > 402 > 6 > 977-986
Surgical Endoscopy > 2005 > 19 > 7 > 919-922
Langenbeck's Archives of Surgery > 2017 > 402 > 6 > 977-986
Surgical Endoscopy > 2005 > 19 > 7 > 919-922