Clinical Study: Diarrhea: Interventional study of Bifidobacterium animalis subsp. lactis BLa80 in improving acute watery diarrhea in children Constipation: Efficacy, safety, and acceptability of the probiotic Bifidobacterium animalis subsp. lactis BLa80 in regulating gut habits in chronic constipation patients Anti-H. pylori: Effects of probiotics combined...