168 BIOPHYSICALLY ACTIVE LIGHT 



tions take place so rapidly that the chemical changes leading to the 

 death of the cell are minimal, but they are of such a nature that the 

 metabolism of the cell does not readily repair them. In spite of the 

 large amount of work that has already been done, it will probably take a 

 long time to solve so complex a problem. 



BIBLIOGRAPHY 



1901 Kreusler, H., Ann. Physik, 6, 412. 



1915 Burge, W. E., Am. J. Physiol, 36, 21. 



1917 Luckiesh, M., J. Franklin Inst., 184, 227. 



1919 Moll, W. J. H., Colorimetry and Nephelometry, Verlag Akad. Wet. Amsterdam, 



28, 1001. 

 1919 Newcomer, H. S., J. Biol. Chem., 37, 465. 



1925 Muller, R. H., and G. F. Kinney, J. Optical Soc. Am., 25, 342. 

 1925 Report of the Optical Society of America, Committee on Spectrophotometry, 



J. Optical Soc. Am., 10, 169. 



1927 Heilbron, I. M., E. D. Kamm, and R. A. Morton, Biochem. J., 21, 78. 



1928 Bills, C. E., E. M. Honeywell, and W. A. MacNair, J. Biol. Chem., 76, 251. 

 1928 Clark, W. M., Determination of Hydrogen Ions, Williams and Wilkins Com- 

 pany, Baltimore, Md. 



1928 Rivers, T. M., and F. L. Gates, J. Exptl. Med., 47, 45. 



1928 Yoe, H. H., Photometric Chemical Analysis, Colorimetry, Vol. I; Nephelometry, 

 Vol. II; John Wiley & Sons, New York. 



1929 Gates, F. L., J. Gen. Physiol, 13, 231; 13, 249. 



1929 Smith, F. C, Proc. Roy. Soc. London, B104, 198. 



1930 Gates, F. L., J. Gen. Physiol, 14, 31. 



1930 Luckiesh, M., L. L. Holladay, and A. H. Taylor, J. Optical Soc. Am., 421, 

 20. 



1930 Wyckoff, R. W. G., J. Exptl. Med., 52, 769. 



1931 Clark, J. H., J". Optical Soc. Am., 21, 240. 



1931 Ehrismann, O., and W. Noethling, Z. Hyg. Infektionskrakh., 113, 597. 

 1931 Forsythe, W. E., B. T. Barnes, and M. A. Easley, J. Optical Soc. Am., 21, 



30. 

 1931 Lucas, N. S., Biochem. J., 25, 57. 

 1931 Taylor, A. H., J. Optical Soc. Am., 21, 20. 



1931 Wyckoff, R. W. G, J. Gen. Physiol, 15, 351. 



1932 Coblentz, W. W., R. Starr, and J. M. Hogue, J. Research Natl. Bur. Sta7id- 

 ards, 8, 541. 



1932 Council on Physical Therapy, " Acceptance of Sunlamps," J. Am. Med. 

 Assoc, 99, 31 ; 100, 1863. 



1933 Gates, F. L., J. Gen. Physiol, 17, 797. 



1934 Coblentz, W. W., /. Am. Med. Assoc, 103, 183 and 254. 

 1934 Council on Physical Therapy, J. Am. Med. Assoc, 102, 42. 

 1934 Gates, F. L., J. Gen. Physiol, 18, 265. 



1934 Giese, A. C, and P. A. Leighton, J. Gen. Physiol, 18, 557. 

 1934 Oster, R. H., J. Gen. Physiol, 18, 251. 



1934 Twyman, F., and C. B. Allsopp, Absorption Spectrophotometry with Hilger 

 Instruments, 2d Ed., Adam Hilger, London. 



