CARCINOGENESIS 133 



blood vessels. This is a somewhat specific effect of radiation as regards the progressive 

 nature of the vascular injury and this cannot be induced even with repeated thermal 

 burns, for instance. Secondary to this radiation-induced tissue disorder carcinogenesis 

 may supervene in the regenerating tissue. 



REFEEENCES IN DISCUSSION 



BuKROWS, H., Mayneord, W. v., and Roberts, J. E. (1937). Proc. roy. Soc. B. 123, 213. 

 Henshaw, p. S., Riley, E. F., and Stapleton, G. E. (1947). Radiology 49, 349. 

 Henshaw, p. S., Snider, R. S., and Riley, E. F. (1949). Radiology 52, 401. 

 Lacassagne, a., and Vincent, R. (1929). C.R. Soc. Biol., Paris 100, 249. 

 Lacassagne, a., and Vincent, R. (1929). C.R. Soc. Biol., Paris 100, 249. 

 Shubik, p., Goldparb, A. R., Ritchie, A. C, and Lisco, H. (1953). Nature, Lond. 171, 

 934. 



