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Evaluation of longitudinal relaxation rates R1P(t)/R1P(0) as a function of time (up to 72 h) for GdL (3) and various magnetic resonance (MR) contrast agents (Gd-BT-DO3A, Gd-DTPA-EOB, Gd-DTPA, Gd-DOTA, and Gd-DTPA-BOPTA) using a 3.0 T MR scanner at 294 K.
