Radiosynthesis, Biological Evaluation, and Preclinical Study of a 68Ga-Labeled Cyclic RGD Peptide as an Early Diagnostic Agent for Overexpressed α v β 3 Integrin Receptors in Non-Small-Cell Lung Cancer

68Ga 标记环状 RGD 肽作为非小细胞肺癌中过表达 α v β 3 整合素受体早期诊断剂的放射合成、生物学评价及临床前研究