PEGylated gas vesicles: a promising novel ultrasound contrast agent for diagnosis and guiding radiofrequency ablation of liver tumor. - Yu, Kezhi; Huang, Yongquan; Wang, Yuanyuan; Wu, Qunyan; Wang, Zihang; Li, Fei; Chen, Jianri; Yibulayin, Maierhaba; Zhang, Shushan; Su, Zhongzhen; Yan, Fei (Journal of Nanobiotechnology, 2025)