1
by Dorsey, Alfred, Fransen, Margaret E., Diamond, Gary L., Amata, Richard
Published 2004
U.S. Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry

2
by Pohl, Hana R., Bosch, S., Amata, Richard, Eisenmann, Carol J.
Published 2004
U.S. Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry