Laboratory Animal Center;
Xi’an Jiaotong University Health Science Center;
Xi’an Jiaotong University;
Xi’an 710061;
Shaanxi Province;
China;
Research Institute of Atherosclerotic Disease and Laboratory Animal Center;
School of Medicine;
Xi'an Jiaotong University;
Xi'an 710061;
Shaanxi Province;
China;
Department of Gastroenterology;
The First Affiliated Hospital of Xi’an Medical University;
Xi’an 710077;
Shaanxi Province;
China;
Laboratory Animal Center;
Institute of Atherosclerotic Disease;
Xi’an Jiaotong University;
Xi’an 710061;
Shaanxi Province;
China;
Cholecystectomy; Post-cholecystectomy; Diarrhea; 16S rRNA; Microbiota; Bifidobacterium;