Enhancement patterns in the venous phase of contrast-enhanced ultrasounds: diagnostic value for patients with solid pancreatic lesions - Chen, Xueqi; Hao, Fengzhi; Gui, Yang; Zhang, Jing; Tan, Li; Xiao, Mengsu; Zhang, Qing; Meng, Hua; Li, Jianchu; Jiang, Yuxin; Lv, Ke (Quantitative Imaging in Medicine and Surgery, 2021)