As | FAST NEUTRONS eimeremneeseiaaaaiaas H= [8 7] PERCENTAGE LIFE SPAN SHORTENING N= [N 3] X- RND GAMMA~RAYS PERCENTAGE LIFE SPAN SHORTENING E= [& 2] T= FAST NEUTRONS <MONOEN, + F15S5/0N) [M7] DURAT JON-OF-LIFE EXPOSURE | Bay | 4 M MICE (MALE + FEMALE) 3 H S 5 5 ' S 5 7S 7 G T ca G 5 5 N 4 L M Mm S G + i SM 5 oT E “J ° S L 2S 5 5 L L GM i To iSa4 a: X- FIND GAMMA-RAYS 5 5 i q i { 34InaeA DOSE “S00 L= [L 6] M= (™ 7] G= [G5] S= (s 4] i . bBHWe <RAD > Figure X. The relattonships between the total acewmlated doses of fast neutrons and lowLET radvattons tn the mouse, following exposure for the duratton-of-life. Vartous expertments. i q 7AM

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