100rr
106
I
60
q
x
w
a
w
=
«sa.
Rateé
(%)
3
-
60
PROBABILITY
>
Ke
40
J
a
=
t
a
!
=
3
e
OI
0.01
“9
i!
i
.
re
~
6
ohn emy 28
4s
DECREASE
~ = = 55,
100
INJECTED DOSE (»e/tar
ad.
|
fee.
is
i,
Control f Range |
1000
10,000
,
i
P
Average probability of dying with a malignant hone tumor as a furetion
ob isotope dose,
Re Hee ee
1
20
.
!
20
ba
gr90
°
L
40
IN AVERAGE
A
60
i
80
SURVIVAL
100
TIME (%)
Figure 5,
Figure 4.
Pi
!
Comparative lethality from bone tumor induction in the CFl female
mouse.
From Finkel (1953).
Comparative lethality of several elements of the beagle dog.
Bone
tumor development was the primary cause of lethality. The effects
are expressed as relative biological effectiveness (RBE) relative
to 226Ra. From Dougherty and Mays (1969).
11
10