Fig. 1From: Mycobacterial antigens in pleural fluid mononuclear cells to diagnose pleural tuberculosis in HIV co-infected patientsGel electrophoresis of the nested-PCR showing PCR amplification of a 92-bp fragment of IS6110. Results of five samples are shown, with triplicates from each sample. Only sample 2 and 5 are positive. Lane s.m.; size marker. Neg; negative control. Pos; positive controlBack to article page