1. Endoscopic angle manipulation training for endoscopic submucosal dissection: an attachable transparent sheet 
Tatsuma Nomura, MD 
VideoGIE 
Volume 3, Issue 5, (May 2018)
DOI: /j.vgie
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
A, Creation of an attachable transparent sheet. Lines are drawn on a sufficiently large transparent sheet in 16 directions, including at 1:30, 4:30, 7:30, and 10:30 (using a clock face as a guide). B, Creation and use of anattachable transparent sheet.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions