pISSN 2636-0004
eISSN 2636-0012

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Fig. 1. Schematic flow diagram of the patient enrollment process and results. Case, lidocaine spray on endoscope in addition to conventional pharyngeal anesthesia; Control, conventional pharyngeal anesthesia without additional anesthesia.
Gastrointestinal Intervention 2016;5:67~71 https://doi.org/10.18528/gii150029
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