is that in the adults at least only about 25% ef the bon caleiu 4s exchangeable. But I thought that all of the assumptions which we should make should be that the part which is exchangeable fs in places whicl areclose _ to tissue which can develop cancer. Isn't that right? > the outside of the bone, and therefore, only the level matters and not the actual amount. MOTCRELL I followed the same line of reasoning that Dr. Bethe did busept thas ZI did it with atrontiun instead of with caloius and ons of the reasons that I did it,beaides the ones Ive mentioned so far, is tha you asvare that this 7/10 of a gran is the total ancunt of un ia” the skeleton. on A growing person deposits an average of 100 alaregrans . of strontium a day and its pretty easy to caloulate thatHe fs getting far in excess of that in bis dist, eo that there 1s sone mechanism in the way in which this stuff 1s being depost KEANTSil active =< Yar in excess with respect te the excess to the excess¢ se twos * - ne Ko ane knoew the connectionbetween tho Yoo, but tell me iantt the only nusber in which we are intlrestedin, a Mh! or the only two numbers — these two numbers, afults and sdil, what~ ever soil may be? Well the other one I consider from the discussion before as discredited because it is an old measurewent. I Hton?t know whether that's right Int certainly the new measurements 5 very much lower muabera. . .. togive Poco, Beragit~ ‘| bf Exergy Histerion’® Cifice ances 237