Iron deficiency anemia after one anastomosis gastric bypass: A systematic review and meta-analysis. - Kermansaravi, Mohammad; Shahsavan, Masoumeh; Hage, Karl; Taskin, Halit Eren; ShahabiShahmiri, Shahab; Poghosyan, Tigran; Jazi, Amir Hossein Davarpanah; Baratte, Clement; Valizadeh, Rohollah; Chevallier, Jean-Marc; Ghanem, Omar M. (Surgical Endoscopy & Other Interventional Techniques, 2025)