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Histopathology (hematoxylin and eosin stain) of spleens C57BL/6J (A) and β2−/− (B) mice at 8 weeks after infection. Ziehl-Neelsen staining of necrotizing granulomas at 8 weeks after infection in C57BL/6J (C) and β2−/− (D) mice. Magnification, ×170.
