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Wd [54
Hinutee-Blemedical Program.
1%
.
“Ay
Merch 6 and 7
Survivor Studys —
a
1.4.1 The late ({.e,. chrentc) effects ef ata boab
rediation should be studied, and conmparlecns sdculd
be cade between euch late effects after expcsure te
ewd-lethel ascunts of Jaboratory reiistica.
The
mintsel objectives of such a study are: a) the effect
of atcs toad rediation om longevity; b) the treidence
of tumors, ete., im eurvivors;s e)} the incidence of
cataracts.
The ieportant survivers to study are those
exposed to varying ezcunta of radiation less than the
Page
Tt was egreed that for the purposes Af ouch @
gtady, the ani«ela should te placed [tn groupe sicie
coe varied by 100 r feereresta, viz: La.5 to LD. g ir to Dag - 25 ry ete.
It vas asreed tret little
laforration of value could te acticlrpated, reascrably,
in the case of aninsls receiving legs than 200 Fr,
ectinated icsea.
The nusber of aninzalsa vhich should be
aveilatie tn each guch group to yersit an eiequate
stuly
of lcagesity, tumcr incidence, ete., wes agreed
te te about S00. The basis for this estimate vas as
follows:
aseune a nertal incidence of tums in the
strain of 0.2, snd a minizum incldeme in the irradis,5 BRUNO FRC
ateé curvivers of
9.2.
To ottain a stemiard error cf
0.02, approximately 900 aninels vould he required.
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