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- ‘Four-position method’ makes beginner endoscopists aware of spatial positioning of the left hand to master upper gastrointestinal endoscopy
Ken Sugimoto, Satoshi Osawa
Endoscopy International Open.2020; 08(10): E1225. CrossRef - Technical skills and training of upper gastrointestinal endoscopy for new beginners
Seung-Hwa Lee, Young-Kyu Park, Sung-Min Cho, Joon-Koo Kang, Duck-Joo Lee
World Journal of Gastroenterology.2015; 21(3): 759. CrossRef