References
- 1957 . American Conference of Governmental Industrial Hygienists . AMA Arch. of Ind. Health , 16 : 262
- 1943 . American Public Health Association , New York : Occupational Lead Exposure and Lead Poisoning. .
- 1955 . American Public Health Association: Methods for Determining Lead in Air and in Biological Materials. New York
- Belden , E. A. and Garber , L. F. 1949 . J. Ind. Hyg. and Tox. , 31 : 347
- Bowditch, M. (Lead Industries Association): Personal communication
- Elkins and Hervey , B. 1950 . Chemistry of Industrial Toxicology. , New York : John B. Wiley and Sons, Inc. .
- Fairhall and Lawrence , T. 1957 . Industrial Toxicology , 2nd Edition , Baltimore : The Williams & Wilkins Company. .
- Hardy Harriet , L. 1954 . J.A.M.A. , 154 : 1171
- Harrold , G.C . 1944 . J. Ind. Hyg. and Tox. , 26 : 47
- Maloof , O.C . 1950 . AMA Arch. of Ind. Hyg. and Occ. Med. , 1 : 296
- Patty Frank , A. 1949 . Industrial Hygiene and Toxicology , Vol. II , New York : Interscience Publishers, Inc. .