Research design can be improved to support double-guidewire technique

Zhang, D; Li, JS; Li, ZS; Liu, F; Wang, D

Zhang, D (reprint author), Gongli Hosp, Dept Gastroenterol, Shanghai, Peoples R China.; Zhang, D (reprint author), Changhai Hosp, Dept Gastroenterol, Shanghai, Peoples R China.

GASTROINTESTINAL ENDOSCOPY, 2019; 89 (3): 654