Medical multi-recall embedding: Adaptive retrieval for diverse evidence in medical RAG systems. - Changjin Li; Fengshi Jing; Huarun Li; Zheng Dong; Zhougzhi Xu; Huiru Zou; Qiting Wang; Jie He; Yuchen Qian; Boyu Cao; Wenjian Liu; Si Qin; et al. (Inf. Process. Manag., 2026)