bong tern effects in survivors:
tumor incidence and
catar:ct
The Life spen,
induction will
be
stidiied in surviving nice exposed both to neutrons
end gamna reys.
These animels will be sent by
air to Furth at Osx Ridge f-r observation.
Ae
Gamma rey survivors:
There will be about
200 enimals at 2ach of the 29 ganca
rey
Stations earner’ed for long term survival
Studies.
Following the shot, they will
be nooled in grouns of four (covering a
dose range of 100 roentgens).
Not more
then 4200 animals will be returned to the
states.
“hey will be accompanied by controls
(? how many) which vill be given eauivalent
doses of 750 k.v. x-rays (for each individual
Zroun, not the pooled groups of four)
according to the mouse dosimetry messurements (My own orinion is that since mouse
dosimetry is : rather new tool for calibretion of rediation they should also have
control aninals given doses bused on the
chysical measurements of what the animels
received.
“his would alley possible
controversy in the future ©«3 to the signif-icence of the results.)
life span,
The difference in
tumor incidence and cateract
develonoment betvreen the animals exnosed in
the field and those ziven esauivalent deses
of ?50 k.v. x-reys wil’ be studied.
Only
200 non-irreldisted controls will ac Tomnany
the exnosed animels.
The statisticians
felt that no nore were necessary since the
differences
in lonz tern esftects hetuasny
DO ARCHIVES