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A, Time‐activity curves of 4‐borono‐2‐18F‐fluoro‐phenylalanine (18F‐FBPA) in tumors by bolus injection of 18F‐FBPA (n = 3‐4/group). B, Time‐radioactivity curves in tumors by continuous intravenous infusion (CIV) of 18F‐FBPA (n = 3‐4/group). C, Correlation of tumor uptakes (50‐60 minutes) by bolus injection and CIV (r = .92, P < .01)
