1
by Risher, J., Diamond, Gary L., Swarts, Steven G., Amata, Richard
Published 2004
U.S. Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry

2
by Rosemond, Zemoria A., Beblo, Dolores A., Amata, Richard
Published 2003
U.S. Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry