1. Chronic exposure to benzene as a possible contributory etiologic factor in Hodgkin's disease;Aksoy;Blut,1974
2. Carcinogen Assessment Group's final report on population risk to ambient benzene exposure;Albert,1978
3. Threshold Limit Values for chemical substances and Physical Agents in the Workroom Environment with Intended Changes for 1981;American Conference of Government Industrial Hygienists,1981
4. Chromosome gaps associated with chemical mutagenesis;Anderson;Environ. Mutagenesis,1979
5. Low levels of suspect carcinogens found in coal liquefaction facilities;Occup. Saf. Health. Rep.,1980