Figure 4.

Results of cultures for mycobacteria of sputum samples, broncho-alveolar lavage (BAL) and bronchial aspirate (BA) in n = 48 subjects in whom bronchoscopy was performed because of negative microscopic analysis of sputum smears. Three cases with negative culture of sputum, BAL and BA are not shown.

Kherad et al. BMC Infectious Diseases 2009 9:217   doi:10.1186/1471-2334-9-217
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