10
Participants
Start Date
October 21, 2019
Primary Completion Date
July 15, 2020
Study Completion Date
July 31, 2020
colonic tissue biopsy
colonic tissue biospy of patients with severe crohn's disease using colonoscopy
The First Affiliated Hospital, School of Medicine, Zhejiang University, Hanzhou
First Affiliated Hospital of Zhejiang University
OTHER