title: Pulmonary macrophages: when do they prevent and when do they cause COPD?
mesh_terms: D006801:Humans; D008168:Lung / Q000166:cytology*; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000503:physiopathology*; D008264:Macrophages / Q000276:immunology / Q000502:physiology*; D010587:Phagocytosis