Small airways and interstitial pulmonary disease.
D000403:Airway Resistance; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000473:pathology*; D011650:Pulmonary Alveoli / Q000473:pathology; D011658:Pulmonary Fibrosis / Q000473:pathology*; D012129:Respiratory Function Tests