60
Participants
Start Date
September 1, 2020
Primary Completion Date
September 30, 2021
Study Completion Date
October 30, 2021
live combined Bifidobacterium and Lactobacillus Tablets
take the live combined Bifidobacterium and Lactobacillus Tablets 4# or placebo twice a day
Shenzhen People' S Hospital, Shenzhen
Shenzhen People's Hospital
OTHER