US-guided percutaneous microwave ablation (MWA) of submandibular gland: A new minimal invasive and effective treatment for refractory sialorrhea and treatment response evaluation with contrast-enhanced imaging techniques. - Zhang, Hui-Li; Zhu, Jing-E; Li, Jia-Xin; Li, Xiao-Long; Sun, Li-Ping; Xu, Hui-Xiong; Yu, Song-Yuan (Clinical Hemorheology & Microcirculation, 2021)