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In vivo scintigraphy and biodistribution of [99mTc]Tc-DTPA-bis(ChoEA) on A549 athymic mouse models. (A) MicroSPECT/CT coregistered whole-body scan (anterior and posterior) 1 h after intravenous administration. (B) Bar graph representing the biodistribution of [99mTc]Tc-DTPA-bis(ChoEA) on athymic mice bearing A549 tumors. (C) Kinetics of [99mTc]Tc-DTPA-bis(ChoEA) in A549 mouse models.
