although the gm-cfu level in the blood is low compared with that in the bone marrow , and shows considerable variability , the preliminary results demonstrated that in most cases the gm-cfu level was increased around the 10th day after the beginning of irradiation , followed by a return to base level within a few days , for lhbi and tbi but not for uhbi .
C0005953
bone marrow
C0018183
gm-cfu