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. 2014 Mar;2(3):22. doi: 10.3978/j.issn.2305-5839.2014.02.09

Figure 1.

Figure 1

A short-type injection needle (N-type, Top Co, Tokyo, Japan) for safe injection onto the post-ESD ulcer. The length of the needle should be shorter than a conventional needle (1.8 vs. 4.0 mm for the novel and conventional needles, respectively).