Abstract
References
1.A Guide to the Work Relatedness of Disease . USDHEW, PHS, CDC , NIOSH DHEW Publication 79-116, 1979 .
2.
Loomis
TA
: Essentials of Toxicology , ed 3. Philadelphia , Lea & Febiger , 1978 .
3.1978 Registry of Toxic Effects of Chemical Substances . USDHEW, PHS , NIOSH DHEW Publication 79-100, 1979 .
4.Occupational Diseases: A Guide to Their Recognition . USDHEW, PHS, CDC , NIOSH DHEW Publication 77-181, 1977 .