Semi-Supervised Learning for Low-Cost Personalized Obstructive Sleep Apnea Detection Using Unsupervised Deep Learning and Single-Lead Electrocardiogram. - Shuaicong Hu; Ya'nan Wang 007; Jian Liu; Cuiwei Yang; Aiguo Wang; Kuanzheng Li; Wenxin Liu (IEEE J. Biomed. Health Informatics, 2023)