作者单位:
VA Med Ctr, Dept Gastroenterol, Portland, OR USA
[1]
Univ Hosp Hamburg Eppendorf, Dept Interdisciplinary Endoscopy, Hamburg, Germany
[2]
VA Med Ctr, Dept Gastroenterol, White River Jct, VT 05009 USA
[3]
Charite, Dept Gastroenterol & Hepatol, Berlin, Germany
[4]
发布时间
2020-09-03