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1 Four-channel single incision laparoscopic cholecystectomy using a snake retractor: comparison between 3- and 4-channel SILC 4-channel single incision cholecystectomy
Nak Song Sung, In Seok Choi, Ju Ik Moon, Yu Mi Ra, Sang Eok Lee, Won Jun Choi
Ann Surg Treat Res.2014;87(2):81-86.   Published online 2014 July 29     DOI: http://dx.doi.org/10.4174/astr.2014.87.2.81
      

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