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Overlay of whole-body radioimages (rainbow colors) on white light photographs of mice bearing LNCaP tumor xenografts that were treated with radioimaging agents (a) 3, (b) 4, (c) 5, (d) 5 (competition with 100-fold excess PMPA), (e) 6, and (f) 7. Kidneys were shielded with a lead plate.
