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Keywords from Image Description:
Copd. Healthy lung vs COPD google pl url nhlbi nih gov refurl nhlbi nih gov htm sz hl pl start um tbnid iDuxyxNssCubtM tbnh tbnw prev Fq Dcopd um hl Dpl client Dfirefoxa rls Dorg mozilla pl official sa DN author This image is polish version of drawing which is under free licence PDUSGov Chronic obstructive pulmonary