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Lung tissue section. Representative histological images from C57BL/6J and BALB/c mice 24 h after intratracheal instillation of 1 million spores S. chartarum/ml (2.5 ml/kg body weight), ×25 magnification. (A) Focal inflammation of the lungs in BALB/c mice. (B) Minor inflammation of the lungs in C57BL/6J mice.
