Khodabandeh shahraki, Hossein, Golestanfar, Kimia, Takbiri Osgoei, Laya , Siasi Torbati, Elham . Population frequency of Bifidobacterium longum and Bifidobacterium bifidum in the intestine of obese patients before and after gastric surgery. New Approaches in Cellular and Molecular Sciences. 2024;2(1):-. doi: