Abstract
Yang, F; Ma, D; Li, ZS
Yang, F (reprint author), Second Mil Med Univ, Changhai Hosp, Dept Gastroenterol, Shanghai, Peoples R China.; Yang, F (reprint author), 285 Hosp, Dept Gastroenterol, Handan, Hebei, Peoples R China.
GASTROINTESTINAL ENDOSCOPY, 2019; 89 (2): 443