Benchmarking ChatGPT-4 on a Radiation Oncology In-Training Exam and Red Journal Gray Zone Cases: Potentials and Challenges for AI-Assisted Medical Education and Decision Making in Radiation Oncology - Huang, Yixing; Gomaa, Ahmed; Weissmann, Thomas; Grigo, Johanna; Tkhayat, Hassen Ben; Frey, Benjamin; Gaipl, Udo S; Distel, Luitpold V; Maier, Andreas; Fietkau, Rainer; others (Frontiers in Oncology, 2023)