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  Indian J Med Microbiol
 

Figure 1 A photomicrograph of a section from a tonsil used as a positive control for CD16 monoclonal antibody and counterstained by hematoxylin showing positive cells (black arrows) (×400).

Figure 1 A photomicrograph of a section from a tonsil used as a positive control for CD16 monoclonal antibody and counterstained by hematoxylin showing positive cells (black arrows) (×400).