Multimodal deep learning with MUF-net for noninvasive WHO/ISUP grading of renal cell carcinoma using CEUS and B-mode ultrasound - Zhu, Yixin; Wu, Ji; Long, Qiongxian; Li, Yan; Luo, Hao; Pang, Lu; Zhu, Lin; Luo, Hui (Frontiers in Physiology, 2025)