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Percentage of epithelioid cells 
and multinucleated giant cells 
expressing apoptosis-related proteins (a) and cytokines (b) in the lymphadenitis granulomas caused by M. tuberculosis, detected by immunohistochemical staining. The median, 25th and 75th percentiles and minimum and maximum values are shown. The marks filled circles indicate the outliers. The statistically significant results are marked with p values
