Accuracy and Knowledge Base Evaluation of ChatGPT-4o, Gemini-2.0-Flash, and DeepSeek-V3 in Metabolic and Bariatric Surgery: an Expert-Rated Blinded Study. - Hany M; Zidan MH; Parmar C; Shahmiri SS; Altabbaa H; El-Shamarka A; Amgad A; Abdelkhalek IM; Assal AA; Abdou ME; Kermansaravi M (Obesity surgery, 2026)