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Supported in part by the Kapnek Charitable Trust and the Jefferson Colorectal Surgical Fund.
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Coller, J.A., Marks, G. A new technique of hand reversal using a harness-type endoscope holder for twin-knob colonoscopy and flexible fiberoptic sigmoidoscopy. Dis Colon Rectum 24, 567–568 (1981). https://doi.org/10.1007/BF02604326
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DOI: https://doi.org/10.1007/BF02604326