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FIG 1. A–D, The relationship between SNR of flow and the angle between the plastic tube phantom and scan slab plane using four different flow velocities: 3.4 cm/s (A), 6.8 cm/s (B), 10.2 cm/s (C), and 13.6 cm/s (D). The five curves within one graph represent five different concentrations of contrast flow. SNRs are not greatly affected by scan angle
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