Radiosynthesis, Biological Evaluation, and Preclinical Study of a <sup>68</sup>Ga-Labeled Cyclic RGD Peptide as an Early Diagnostic Agent for Overexpressed <i>α</i><sub>v</sub><i>β</i><sub>3</sub> Integrin Receptors in Non-Small-Cell Lung Cancer
Contrast media & molecular imaging/Contrast media and molecular imaging