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. 2017 Sep 1;80(4):317–324. doi: 10.4046/trd.2017.0080

Figure 2. Parametric response mapping (PRM) using computed tomography imaging in chronic obstructive pulmonary disease patients of different severities24. Percentage of voxels with functional small airway disease (fSAD) and emphysema shown. GOLD: Global Initiative for Obstructive Lung Disease.

Figure 2