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Pulmonary lesion scores and pneumococcal concentration evolution in rabbits with penicillin-resistant S. pneumoniae (strain 16089) experimental pneumonia by using 10 log10 CFU/ml inoculum. Symbols: 
, macroscopic score; 
, histopathologic score; ---○---, lung pneumococcal concentrations; ---●---, spleen pneumococcal concentrations.
