_—— - — -3-----. .. . -— -. than that to adults. The Ln.fmt heir-gbreast fed will of course cose t; a young thap that calculatedfsr 0.9; 1,4 thzt The 0?, body/diet for yomg adults. 21SD k less infants is is, th~eyo.m~ ir-fantnearly equilibrateswith F4isdiet. However, the =athers’ SY<, as discussedPreviously}has z Sr/Cz ratio - 0.1 that of the adult diet. The OR bo@q/diet then decreasesto 0.5 for 2,k,6 vd.ue of 0<25. . . exceeds that of the mtker m h reports bJ Rmb, 9 9,:0 of ether at~lts. ILmza —— et 21., calculatedfor an adult for 137 “l~aqdcook ~=~ SnyEer,U the dose Cs is a conservativeesti=ate far the fetus and the newborn. 3. . . . . Dose to Children:.elitiveta MQts . --m which indicates A considerablebody of evidence is available ‘[CS - thatthe!ialf-tim for 137CS ti the body is a function of age, with a mre U-14 rapid tu-rnoverfcr yomger ages.“ The biological haM-tim .