title: Observations on the pulmonary macrophage system.
authors.forename: A H E
authors.initials: AH
authors.lastname: MARSHALL
mesh_terms: D006801:Humans; D008168:Lung; D008264:Macrophages; D016676:Macrophages, Alveolar; D012157:Mononuclear Phagocyte System; D010586:Phagocytes
keywords: PHAGOCYTES