Figure 5.

R2 min as a function of incident beam power density. R2 min is the ratio of mean CO2 emission rate during the 2 minutes after 'beam on' divided by the mean CO2 emission rate during the 2 minutes before 'beam on'. Error bars denote standard deviation; numbers below each data point correspond to sample sizes. The 25 keV x-ray beam was incident on the head.

Socha et al. BMC Biology 2007 5:6   doi:10.1186/1741-7007-5-6
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