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. 2023 Dec 14;51(5):1395–1408. doi: 10.1007/s00259-023-06559-9

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© The Author(s) 2023

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Fig. 1 — a Schematic representation of [²¹²Pb]Pb-labeled melanocortin 1 ligand (MC1L), melanoma cell expressing melanocortin 1 receptor (MC1R), and alpha-melanocyte-stimulating hormone (α-MSH) analog. b Schematic representation of [²¹²Pb] and [²⁰³Pb] nuclides decay