Bariatric Surgery as Treatment Strategy of Obesity in Saudi People: Effects of Gut Microbiota oleh Seham J. Alqahtani, Hanan A. Alfawaz, Nadine M. S. Moubayed, Wail M. Hassan, Ahmad T. Almnaizel, Noura M. S. Alshiban, Jawahir M. Abuhaimed, Mohammed F. Alahmed, Mosffer M. AL-Dagal, Afaf El-Ansary