Open-Source Large Language Models Distilled DeepSeek-R1 Pose Challenges for On-Premises Clinical Deployment in Medical Diagnosis: A Comparative Study of Performance. - Wei Zhong; Yiyao Fu; Dingchuan Peng; Yifan Liu; Yan Liu; Kai Yang; Huimin Gao; Huihui Yan; Wenjing Hao; Yousheng Yan; Chenghong Yin (J. Medical Syst., 2026)