954 RADIATION BIOLOGY 



Mitchell, J. S. (1942) Disturbance of nucleic acid metabolism produced by thera- 

 peutic doses of X and gamma radiations. I. Methods of investigation. Brit. J. 

 Exptl. Path., 23: 285-295. 



(1947) Experiments on the mechanism of the biological action of fast neu- 

 trons using the summation method for lethal effects in mice. Brit. J. Radiology, 

 20: 368-380. 



Mole, R. H., J. St. L. Philpot, and G. R. V. Hodges (1950) Reduction in lethal effect 

 of X-radiation by pretreatment with thiourea or sodium ethane dithiophospho- 

 nate. Nature, 166: 515. 



Mottram, J. C. (1924) On the skin reactions to radium exposure and their 

 avoidance in therapy; an experimental investigation. Brit. J. Radiology, 29: 

 174-180. 



(1935a) On alteration in sensitivity of cells towards radiation produced by 



cold and anaerobiosis. Brit. J. Radiology, 8: 32-39. 



(1935b) Variation in sensitivity of cells to radiation in relation to mitosis. 



Brit. J. Radiology, 8: 643-651. 



and L. H. Gray (1940) The relative response of the skin of mice to X-radia- 



tion and gamma radiation. Brit. J. Radiology, 13: 31 34. 



O'Connor, R. J. (1950) The metabolism of cell division. Brit. J. Exptl. Path., 31: 

 390-396. 



Packard, C. (1930) Relation between division rate and radiosensitivity of cells. 

 J. Cancer Res., 14: 359-369. 



Paterson, E., and J. J. Matthews (1951) Protective action of ethyl alcohol on 

 irradiated mice. Nature, 168; 1126-1127. 



and M. V. Thompson (1948) Time-intensity factors. Brit. J. Radiology, 



21: 414-419. 



Patt, H. M. (1953) Protective mechanisms in ionizing radiation injury. Physiol. 

 Rev., 33: 35-76. 



— , M. E. Blackford, S. Mayer, R. L. Straube, and D. E. Smith (1951) Unpub- 

 lished observations. 



— , , and R. L. Straube (1952) Effect of X rays on thymocytes and its 



modification by cysteine. Proc. Soc. Exptl. Biol. Med., 80: 92-97. 



■ , S. Mayer, and D. E. Smith (1951a) Modification of radiation responses in 



mammals by chemical factors. USAEC Report ANL-4625. * 



, , and (1951b) The failure of postirradiation cysteine and 



ascorbic acid to influence radiation mortality. USAEC Report AXL-4625,* 

 p. 51. 



, , R. L. Straube, and E. M. Jackson (in press) Radiation dose reduc- 

 tion by cysteine. J. Cellular Comp. Physiol. 



, D. E. Smith, and E. Jackson (1950) The effect of cysteine on the peripheral 



blood of the irradiated rat. Blood, 5: 758-763. 



, , E. B. Tyree, and R. L. Straube (1950) Further studies on modifica- 

 tion of sensitivity to X-rays by cysteine. Proc. Soc. Exptl. Biol. Med., 73: 

 18-21. 



, R. L. Straube, M. E. Blackford, and D. E. Smith (1950) Nature of cysteine 



induced radioresistance: sulfhydryl levels and distribution of cysteine sulfur. 



Am. J. Physiol., 163: 740. 

 — , , E. B. Tyree, M. N. Swift, and D. E. Smith (1949) Influence of 



estrogens on the acute X-irradiation syndrome. Am. J. Physiol., 159: 269-280. 

 — and M. X. Swift (1948) Influence of temperature on the response of frogs to 



X irradiation. Am. J. Physiol., 155: 388-393. 



-, E. B. Tyree, R, L. Straube, and D. E. Smith (1949) Cysteine protection 



against X irradiation. Science, 110:213-214. 



