tventy=five percent, and the incidence of bone sarcoss in the general population f@ probably on the ordar of .CLS or ¢ thing like that «= maybe one in « thousand, So that you fox thea not be concerned primarily with necrosie ef bonebec by the time you got that you vare killing so nany people the long term dus to carcinogencais, How vhether conetic effecta would occur in even maller ancunts then carcino, I don't know, And, I haven't seen anyone who fs willing te express an opinion en that, So that would be one type of possibility, But all opinion sems te center on ¢ effect, and radiation and carcinogenesis will tle in at to this extent, ami that ie for a given unit of radiations the Loager the period of tixe in vitch the aninal, lives, the | greater the probability of the carcinoma developing, 60, Rhat a certain anount ef radiant energy in a huuen vould be amc more potentially dewazing, say than ina mousee I think of the original work that was done,for inetence, when 2 tried te extrapolate from the aniual data to bunny thet ch & seer tystoaly mathematical basis, the axteal deta wad| - 150 tines the anount that is extrapolated, and they cane at with ansvers that vere, say, on the ordar of 100 to 200 greater than they actually found they were able to put in husan being, Part of that relates te the mathematics ef probability of the occurrence of events over long periods tine, I think we see 1% censrally in population with in carcinoma generally, ‘That, as the populetion stays tn fi |