a wt Experimental data reported ty Boche* are surmarized below. Ho. of Days 20 Doss per 20 10 . Lose per Tay (r) & Week (r) 60 : durvival Sime (Wxs) . 2h 36 Fotal Dose r U4,0 83 2923 Unfortunately normal survival times were not given 20r were the ages of te anirals, ( de 9s) 3 Y 8 se* “ u® Pleir** hes taxe: tie two points from boche's data, inserted tiese into his (Blair's) equation relating reparable avd irreparable dasage. Te ratio of insta-tansous dose to 1S day dose is 350/150 or 0.82, and for k mo ‘ths dose aout 525/350 or 0.67. Blair suzzests t.at "The points are toa few to determine t.6 constants ) (of tie equation) wit 4 range," any accuracy but should at least Le in toe proper — However, t:e eonstants of his aqustion ave ciecked well wit: more exterisive data o.oi.er anicals, ‘ia equations idicate t:at tie rate of recovery of repara le injury, is fastest {cs the types of mrmrel sy nied) 1) the motse, aout one-islf as fast ia te ret and aout one-sevecth asfast in tre guia pig aud dog, iut as Blair poi. ted out thr reaction eo? t e dog is more representative of t-e larjer, longer-lived anirels, 2irpc-20) 0: servations on Fopulations of Aniazls exyosed to C ronte Koentren T:rsdiatio i. 2ROR-207. Frdistions, ae of" 35 POC, F.0D. 1947. Unclassified, A Form dation. of the Injery, Life S:an, Tose Felatisus For I-nizinr Ji Acrlications to t.e Guinea si, 4:, @idio*, T7520 UR RELA ae erect. ey west -lair,. .f ee