Comparison of VOCs concentrations present at higher concentration in the headspace of CALU-1 cells in culture (blue columns) as compared to medium control (red columns) after 18 h of incubation. Presented are average concentrations (n = 3) with standard deviations. Significant differences are labeled with asterisks.
Filipiak et al. Cancer Cell International 2008 8:17 doi:10.1186/1475-2867-8-17