title: Smoking and pulmonary macrophages.
mesh_terms: D006801:Humans; D008264:Macrophages / Q000378:metabolism*; D011650:Pulmonary Alveoli / Q000378:metabolism*; D011663:Pulmonary Surfactants / Q000378:metabolism; D012907:Smoking
chemical_list: D011663:Pulmonary Surfactants