PHYSICAL AND BIOLOGICAL FACTORS 957 



Storer, J. B., and J. M. Coon (1950) Protective effect of para-aminopropiophenone 

 against lethal doses of X-radiation. Proc. Soc. Exptl. Biol. Med., 74: 202-204. 



Straube, R. L., H. M. Patt, D. E. Smith, and E. B. Tyree (1950) Influence of cysteine 

 on the radiosensitivity of Walker rat carcinoma 256. Cancer Research, 10: 

 243-244. 



Strelin, G. S. (1950) Histological changes produced in the epithelium of the frog's 

 cornea by total and partial irradiations with X-rays. Doklady Akad. Nauk 

 SSSR, 73: 1283-1286; Nucl. Sci. Abst., 4: 23, 1950. 



Sugiura, K. (1939) The biological measurement of gamma rays in "equivalent 

 roentgens" with mouse sarcoma 180 as the test object. Am. J. Cancer, 37: 

 445-452. 



Swisher, S. N., and F. W. Furth (1951) Effect of early small exchange transfusion 

 on the X-irradiated dog. Proc. Soc. Exptl. Biol. Med., 78: 226-229. 



Taliaferro, W. H., and L. G. Taliaferro (1951) Effect of X-rays on immunity: a 

 review. J. Immunol., 66: 181-212. 



Tansley, K., L. H. Gray, and F. G. Spear (1948) A preliminary note on some biologi- 

 cal effects of alpha radiation on the frog tadpole. Brit. J. Radiology, 21 : 567-570. 



Thoday, J. M., and J. Read (1947) Effect of oxygen on frequency of chromosome 

 aberrations produced by X ray. Nature, 160: 608. 



and — (1949) Effect of oxygen on the frequency of chromosome aberra- 

 tions produced by alpha rays. Nature, 163: 133-134. 



Treadwell, A. de G., W. U. Gardner, and J. H. Lawrence (1943) Effect of combining 

 estrogen with lethal doses of roentgen-ray in Swiss mice. Endocrinology, 32: 

 161-164. 



Tullis, J. L. (1949) Radioresistant cells in certain radiosensitive tissues in swine 

 exposed to atomic bomb radiation. Arch. Path., 48: 171-177. 



Van Dyke, D. C, and R. L. Huff (1949) Epilation in the non-irradiated member of 

 parabiotically united rats. Proc. Soc. Exptl. Biol. Med., 72: 266-269. 



von Sallmann, L., Z. Dische, G. Ehrlich, and C. M. Munoz (1951) Study on penetra- 

 tion of cysteine and cystine into the aqueous humor of rabbits and its relation to 

 early X-irradiation effects on the eye. Am. J. Ophthalmol., 34: 95-113. 



Walsh, D. (1897) Deep tissue traumatism from roentgen ray exposure. Brit. 

 Med. J., 2: 272-273. 



Warren, S. (1942) Effects of radiation on normal tissues. Arch. Path., 43: 443-450. 



and J. Z. Bowers (1950) The acute radiation syndrome in man. Ann. Inter- 

 nal Med., 32: 207-216. 



Weiss, J. (1947) Some aspects of the action of radiations on aqueous solutions. 

 Brit. J. Radiology, Suppl. 1, pp. 56-59. 



Wertz, E. (1940) Uber die Abhangigkeit der Rontgenstrahlenwirkung vom Quel- 

 lungszustand der Gewebe, nach Untersuchungen an Gerstenkornen. Strahlen- 

 therapie, 67: 700-711. 



Wilson, C. W. (1935) Some effects of 7 rays of radium on the developing chick 

 embryo. I and II. Acta Radiol., 16: 719-734. 



Wilson, J. G., and J. W. Karr (1950) Difference in the effects of X-irradiation in rat 

 embryos of different ages. Anat. Record, 106: 259-260. 



Zirkle, R. E. (1932) Some effects of alpha irradiation upon plant cells. J. Cellular 

 Comp. Physiol., 2: 251-274. 



(1936) Modification of radiosensitivity by means of readily penetrating acids 



and bases. Am. J. Roentgenol. Radium Therapy, 35: 230-237. 



(1940) The influence of intracellular acidity on the radiosensitivity of various 



organisms. J. Cellular Comp. Physiol., 16: 301-311. 



(1941) Combined influence of X-ray intensity and intracellular acidity on 



radiosensitivity. J. Cellular Comp. Physiol., 17: 65-70. 



