Hussein, Zeina Thamer, Sharoq Edan Najem, Zahraa Hussein Jawad, and Elaf Jamal Fadil. 2025. “Microbial Communities and Their Role in Digestion Within the Human Gastrointestinal Tract”. American Journal of Biology and Natural Sciences 2 (3):161-65. https://doi.org/10.51699/ajbns.v2i3.784.