fig2
Figure 2. Esophageal exposition based on pre-taught hand positions of the second assistant. Exposure of the right side of the esophagus - Position A, and exposure of the left side of the esophagus - Position B
Figure 2. Esophageal exposition based on pre-taught hand positions of the second assistant. Exposure of the right side of the esophagus - Position A, and exposure of the left side of the esophagus - Position B
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