International Journal of Gastrointestinal Intervention : eISSN 2636-0004 / pISSN 2636-0012

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Fig. 13. Sphincter dilation with a 10 mm balloon. A waist can still be seen on the balloon.
International Journal of Gastrointestinal Intervention 2019;8:26~34 https://doi.org/10.18528/ijgii180035
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