MSA-UNet3+: Multi-Scale Attention UNet3+ with New Supervised Prototypical Contrastive Loss for Coronary DSA Image Segmentation - Ahmed, Rayan Merghani; Iltaf, Adnan; Elmanna, Mohamed; Zhao, Gang; Li, Hongliang; Du, Yue; Li, Bin; Zhou, Shoujun (2025)