title: Electron microscopic observations on pulmonary fibrosis and emphysema in smoking dogs.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules; D004285:Dogs; D008168:Lung / Q000473:pathology; D008264:Macrophages / Q000166:cytology; D008854:Microscopy, Electron; D011650:Pulmonary Alveoli / Q000166:cytology; D011656:Pulmonary Emphysema / Q000473:pathology*; D011658:Pulmonary Fibrosis / Q000473:pathology*; D012907:Smoking / Q000473:pathology*