Enhancing Instance Feature Representation: A Foundation Model-Based Multi-Instance Approach for Neonatal Retinal Screening. - Jie Guo; Keyi Wang; Guangshuang Tan; Gaojie Li; Xian Zhang; Jiawei Chen; Jie Hu; Yixiong Liang; Bing Jiang (IEEE Trans. Biomed. Eng., 2026)