Iron deficiency anemia after one anastomosis gastric bypass: A systematic review and meta-analysis. - Kermansaravi M; Shahsavan M; Hage K; Taskin HE; ShahabiShahmiri S; Poghosyan T; Jazi AHD; Baratte C; Valizadeh R; Chevallier JM; Ghanem OM (Surgical endoscopy, 2025)