Combined injury reduced numbers of white blood cells more than radiation injury 1 d post-irradiation and/or wounding. N = 6 mice per group. For panels A and C, *P < 0.05 vs. sham, wounded, and CI groups; **P < 0.05 vs. sham, wounded, and RI groups. For panel B and D, *P < 0.05 vs. sham and wounded groups. Panels E and F: not significant. W; wounded; RI: radiation injury at 9.75 Gy; CI: combined injury.