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. 2012 Mar 5;7(3):e32836. doi: 10.1371/journal.pone.0032836

Figure 4. THM-GC-EI/MS of sputum spiked with M. tuberculosis bacilli.

Figure 4

The graph shows the peak areas obtained for C29/C30 and C32 mycocerosates generated from spiking 1 mL of pooled TB negative sputum sample with M. tuberculosis culture (140–5,600 CFU/mL).