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Alexis, Neil E; Lay, John C; Zeman, Kirby L; Geiser, Marianne; Kapp, Nadine; Bennett, William D (2006). In vivo particle uptake by airway macrophages in healthy volunteers. American journal of respiratory cell and molecular biology, 34(3), pp. 305-13. New York, N.Y.: American Lung Association 10.1165/rcmb.2005-0373OC
