作者单位:
Dalian Med Univ, Affiliated Hosp 1, Dept Resp & Crit Dis, Dalian 116011, Peoples R China
[1]
Dalian Med Univ, Affiliated Hosp 1, Dept GI Endoscopy, Dalian 116011, Peoples R China
[2]
Dalian Med Univ, Affiliated Hosp 1, Dept Gastroenterol, Dalian 116011, Peoples R China
[3]
发布时间
2018-12-12