Molecular imaging of HER2 expression in breast cancer patients using a novel peptide-based tracer 99mTc-HP-Ark2: a pilot study. - Shi, Jiyun; Du, Shuaifan; Wang, Rongxi; Gao, Hannan; Luo, Qi; Hou, Guozhu; Zhou, Yidong; Zhu, Zhaohui; Wang, Fan (Journal of Translational Medicine, 2023)