Combined anti-VEGF and intravitreal dexamethasone treatment versus anti-VEGF alone for persistent diabetic macular edema: a comprehensive systematic review and meta-analysis. - Amaral DC; Rassi TNO; Binotti W; Alves VFC; Aguiar EHC; Fuganti RM; Jacometti R; Monteiro MLR; Casella AMB; Louzada RN (Arquivos brasileiros de oftalmologia, 2026)