es eygme~ 4 PSE hw ew we Mew S PUT HAV et WY dy D ak ues SAPVSULE wie STS bau given in increments of 250 rad at i to 24 hour intervils to {llustrate repair of lethal injury. 4 i + MOUSE 30 DAY SURVIVAL AFTER (0 Gp 283 00g 1457 GivEM | 23 Gp FRaCTGNS af vAR TUS NTEP CALS : t1st03 co ; / i' ' mi 4r2al : zz | 3 / | | ‘ | a j : ; : = i | | 50} o —_ | | : | | or A308 | : \ _ 23h piir3oi LA | WO cagy hia ‘ \ ; a 2 IMTERWS, $ is 24 i Nowrs; igure 15. The sequential changes in the iO-dav CFU-3 -) in control non-irradiated mice, mice exposed to 100,200,300 or 10C0 rad ia a singie dose and mice exposed to 1000 rid given in increments 9 5 rad at 24-hour intervals. CFU-S /LEG we eee oy _ ” + | RECOVERY OF CFU-S Po ar 722 [RRADIATICN Oo NORMAL MICE IcCO- * iGO0 r 5 t- *260r14q 24h - © NORMAL MICE . | { a 200s &0r . Oly zh sac 1sis | 3 @ 5 3 : Da TIME AFTER iRARDIAT TN (DAYS } OG { ! rn # | ‘ : eee : | toy > i Lee ees - |ee , (2/90) : (Mex. 2