Chiron-o1: Igniting Multimodal Large Language Models towards Generalizable Medical Reasoning via Mentor-Intern Collaborative Search - Sun, Haoran; Jiang, Yankai; Lou, Wenjie; Zhang, Yujie; Li, Wenjie; Wang, Lilong; Liu, Mianxin; Liu, Lei; Wang, Xiaosong (Advances in Neural Information Processing Systems, 2025)