Reference
- Cholak , J. 1935 . Quantitative Spectrographic Determination of Lead in Biological Material. . Ind. and Eng. Chem. (Anal. Ed.) , 7 : 287
- Cholak , J. and Story , R. V. 1938 . Spectrographic Analysis of Biological Material. . Ind. and Eng. Chem. (Anal. Ed.) , 10 : 619
- Cholak , J. and Stoey , R. V. 1941 . Spectrochemical Determination of Trace Metals in Biological Material. . J. Optical Soc. Am. , 31 : 730
- Cholak , J. and Story , R. V. 1942 . Corrections for Residual Impurity and Background in Spectrochemical Analysis. . J. Optical Soc. Am. , 32 : 502
- Hubbard Donald , M. 1937 . A Photometric Dithizone Method for Determination of Lead in Biological Material. . Ind. and Eng. Chem. (Anal. Ed.) , 9 : 493
- Keenan Robert , G. and John Kopp , F. 1956 . Spectrochemical Determination of Trace Quantities of Cobalt in Animal Tissues. . Anal. Chem. , 28 : 185
- Kumler , K. and Schreiber , T. P. 1955 . A Rapid Method for Spectrochemical Analysis of Lead in Blood. . Am. Ind. Hyg. Assoc. Quart. , 16 : 4