102
Participants
Start Date
June 1, 2018
Primary Completion Date
February 28, 2023
Study Completion Date
February 28, 2023
mid-gut tubing
mid-gut tubing at different time
Fmt-Dt-N-27/1350, Nanjing
Wuxi No. 2 People's Hospital
OTHER
The Second Hospital of Nanjing Medical University
OTHER