MSA-Net: a multi-scale and adversarial learning network for segmenting bone metastases in low-resolution SPECT imaging. - Wu, Yusheng; Lin, Qiang; He, Yang; Zeng, XianWu; Cao, Yongchun; Man, ZhengXing; Liu, Caihong; Hao, Yusheng; Cai, Zhengqi; Ji, Jinshui; Huang, Xiaodi (EJNMMI Physics, 2025)