8ey
- 30 -
The work of. Laskin, et al, though not specifically
involving deep respiratory tissue, does demonstrate a source
.
.
49
intensiiveresponse curve for lung tissue
~.
A Ru-106
cylindrical source was implanted in the bronchi of rats,
and
cancers were observed to arise from the bronchial evsithelitun.
(7 percent)
|
he response curve indicates a sudstantial ressonse
even at 0.008 uCi burden, and a slow, anvroximately logaritnanic
increase of tumor incidence over three orcers of masnitude
rate,
Tsmors w2rea
(9.3 u diameter} with saveral microcuries
toservec in
7? of
23
animals.
In
a second
.
oes
Tasgxin,
n
‘
O
Cerber
@xcerirent Cermser exnosed raz lungs +o Ca-iti sarticles.
.
24/4
.
th
iy
$e
w
ry
wD
19° ves the incitence was acsroximately wro-inirds.
26 glass beats
-accurulated
Oo
rr
eccumula
ws
an
5
2css
bh
For
="
ine
Oo
vrad.
Oo
L400
f
esa owl
LACrTeases WLIn
w
w
cancer w2s
~
aa...
yenarai.y
on
:
- 2
lAncicaencea
a]
t(D
beeen
TaNMSr
mh
-"
TAB
For
ve
wegen:
Loa
.
st
tee
a
S., f M. Nusenner, ff “. Nelson, . 3. Altsnuliear, J.B.
it
=
~
“ae
=
=
22
Carcine7s of ina Lunzy in rats amnosad
=:
,
.
.
As
5
l
i
OF intra-broncnia
rerinanium--? selilsacs.
on
i
~
ft
7
-.?%
”
~k
.
vrtlitionszicts,"
J.
Rol. Tanter Inst. IL,
TT
tee
~-=
=
a
>
3
)asimerir
From 2 Rucvrtectated
me
eye 244
>, LEES, op. 9259-532
eee
.
-
twlatiniwwn
pee nt,