‘ - be However, most Loman exposires ar. more ilkely te be of the mature of samall amcunts received repeatedly. The animal work sugsests that the cunulative dése is highly important, that leukemia may occur more frequently in individuals exposed to chronic radiation than in the population asa whole, and the relaps mag occur after [oF epperens recovery from radiation damage. From a practical point of view, any tpartnce frou the normal fingings, whether an ircreese or a decrease or a quanitative chance in any ef the biood cell types should be viewed with suspicion in individuals chronic In practice, a reduction in white blood cells, Ttleularig srénulocytes, is the commonest evidence of d-mege in man. fe "SS et oe Oe, #39 have been expored to,radiation. effects of chronte “hat addisional radiation will be found cannot be said, 4