Figure 1.

Microbial components in tobacco (a, c, e) and smoke (b, d, f) of cigarettes i) before and after adding a culture of E. coli to the tobacco (a-d), ii) after storing cigarettes at 94% relative humidity under different conditions (e, f). LPS = lipopolysaccharide.

Larsson et al. Tobacco Induced Diseases 2008 4:4   doi:10.1186/1617-9625-4-4
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