Figure 3. The mean hydrogen peroxide production ([round bullet, filled]) and the mean percentage of reacting neutrophils ([square bullet, filled]) in the presence of nitrous oxide (N2O) after N-formyl-methionyl-leucyl-phynylalanine stimulation (mean +/- SD of six independent experiments (donors). *P < 0.05;**P < 0.01 for control versus N2O exposed.