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Comparison of phagocytosis of nontypeable H influenzae (A), Moraxella catarrhalis (B), Streptococcus pneumoniae (C), and latex microspheres (D) by human alveolar macrophages from healthy controls, current smokers with COPD, and ex-smokers with COPD.
(Modified from Berenson CS, Kruzel RL, Eberhardt E, et al. Phagocytic dysfunction of human alveolar macrophages and severity of chronic obstructive pulmonary disease. J Infect Dis 2013; with permission.)
