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pro vyhledávání: '"Barbara J. Lang"'
Autor:
John R. Grace, Anya R. Keefe, Pierre R. Band, Sylvia J. Makaroff, Barbara J. Lang, Joel L. Bert
Publikováno v:
Journal of Toxicology and Environmental Health, Part B. 8:145-452
This hierarchical coding system is designed to classify substances into successively subordinate categories on the basis of chemical, physical and biological properties. Although initially developed for occupational cancer epidemiological studies, it