Moderate-to-substantial agreement of ChatGPT-5 for Kellgren–Lawrence grading on synthetic knee radiographs: a controlled cross-sectional observer agreement study Öner Kılınç Elif Altunel Kılınç N. Çabuk Çelik Jul 2026 · Rheumatology International · Vol 46 · 0 citations · 41 references Medicine DOI PubMed Semantic Scholar Save View source Cite Copy APA Copied ✓ Copy MLA Copied ✓ Copy BibTeX Copied ✓ Share