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Inlet boundary condition of each injection waveform. The blood flow rate was the physiological pulsatile curve shown in both (a,b): (a) was continuous dextran injection under the constant-flow-rate condition; (b) was the dextran injection only during the 0.5 s systole. The injection when the blood flow rate was higher was stopped, and the maximum dextran flow rate was increased within the limitation of the dextran volume that could be injected.
