10% ar
treatment aud other couplicatiog
the absence of
te radiation in
response
that ¢
The LDey, will be increased by the use of antibiotics to controt
factors.
infections, by platelet transfusions
to control
at com;
the
bleeding, and
Stina:
hemopofetic molecular regulators now available to stinulate an earlier
recovery of hematopoiesis.
noay 4;
In 1947 hewell (21) surveyea the opinion of
tadiologists of the 56% lethal dose of radiation in tan.
deve ls
Their cstinatedl
varied considerably ana the average was close to 450 rad, the commonly stated LDxo.
Nany
sources of cata bear
#@UTI bie:
:
the LDey Value for man and each has
BNC Tease
These sources include radiation mortality data “oneal
several shortcomings.
large animals,
on
the
2)
es
the data from the Japanese exposed at Hiroshima ane
(
al,
Reta py
Berman
large animals have a low LUcg.
wan tay have a low Lisp.
It would be logical from this. to argde fat 4
extrapolate from animals to man.
ie
fed
fPaes rd
would have a rather good idea of the radiation Lbey, for man,
t:
In principle, at least, one might.
}
I
3
a
response of animals
Fo prays
RieCre
estiating human Lisge
in general,
“
This“
5
ee
;
bao
Oe
It as believed
that
.
we te Lp, f
3
ee
The re:
TR tin: and
uniform totel becy irradiation would anchor the lower part of |the.
in dugs and swine,
if
.
the dose of radiation
well
alan
lethal
dose
rarge.
If
one adds 50 rad
about 5-107,
of approximately 225 rad,
as for gugs,
the 96% mortality is abeut 500 rad.
.
pte
“so
,
=
a
ce
or ae
Pe athe,
eh
into the
to
the es
; Bat cet con,
7
Bas, wore ex.
that the Marshallese received, one has a probable low lethaligy
ae en
aeRithig
tag
-98~
£7}
od
ee
If
one uses
the
Liots
“xposed
increaseg by 100 rad over that receivea by the Marshallese, ve aac
a
won al
iy
Certainly,
Geel,
same slog
The midpoint
1 -
sy
benef
the harshallese were’
It would appear tha
.
mrcuny 1 ig,
*
Figure & illustrates an apbi
a near maximal sublethal dose f ‘radiation.
curve,
taens tus,
ae Bmetec,
pt
that in Hiroshima anu hagasaki where many individuals were exposedy
the
| Sant ined
In fact, one does not really know how to fae ore
fs
et
bees eat
MB
the morz