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Fig 2. ROC curves for the detection of simulated aneurysmal blebs with 3 different contrast material concentrations: 300 mg I/mL (A), 150 mg I/mL (B), and 100 mg I/mL (C). For each contrast material concentration, graph shows the 3 composite ROC curves generated from the pooled data of the 7 observers’ results with the standard- (solid line) and low-dose modes of FPD (dashed line) and the conventional-dose mode of I.I.-TV (dotted line) systems.
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