title: [Fine surface structure of the alveolar region. Part I: normal human alveoli (author's transl)].
mesh_terms: D000328:Adult; D002196:Capillaries / Q000648:ultrastructure; D006801:Humans; D008264:Macrophages / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D011650:Pulmonary Alveoli / Q000648:ultrastructure*