Self-Ensembling Co-Training Framework for Semi-Supervised COVID-19 CT Segmentation. - Caizi Li; Li Dong; Qi Dou 001; Fan Lin; Kebao Zhang; Zuxin Feng; Weixin Si; Xuesong Deng; Zhe Deng; Pheng-Ann Heng (IEEE J. Biomed. Health Informatics, 2021)