pollution and daily mortality from the 20 largest US cities: A hierarchical modelling strategy (with discussion). Royal Statistical Society: Series A.

EPA (U.S. Environmental Protection Agency). 1998. Guidelines for Neurotoxicity Risk Assessment. Fed. Regist. 63(93):26925-26954.

EPA (U.S. Environmental Protection Agency). 1999. Guidelines for Carcinogen Risk Assessment. Review Draft. NCEA-F-0644, Risk Assessment Forum, U.S. Environmental Protection Agency, Washington, DC, (July 1999). [Online]. Available: http://www.epa.gov/nceawww1/raf/crasab.htm

Gaylor, D.W. 1983. The use of safety factors for controlling risk. J. Toxicol. Environ. Health 11(3):329-36.

Gaylor, D.W., and W. Slikker. 1992. Risk assessment for neurotoxicants. Pp. 331-343 in Neurotoxicology, H. Tilson, and C. Mitchell, eds. New York: Raven Press.

Gilbert, S.G., T.M. Burbacher, and D.C. Rice. 1993. Effects of in utero methylmercury exposure on a spatial delayed alternation task in monkeys. Toxicol. Appl. Pharmacol. 123(1):130-6.

Grandjean, P., P. Weihe, P.J. Jørgensen, T. Clarkson, E. Cernichiari, and T. Viderø. 1992. Impact of maternal seafood diet on fetal exposure to mercury, selenium, and lead. Arch. Environ. Health 47(3):185-195.

Grandjean, P., P. Weihe, R.F. White, F. Debes, S. Araki, K. Yokoyama, K. Murata, N. Sørensen, R. Dahl, and P.J. Jørgensen. 1997. Cognitive deficit in 7-year-old children with prenatal exposure to methylmercury. Neurotoxicol. Teratol. 19(6):417-428.

Hedges, L.V., and I. Olkin. 1985. Statistical Methods for Meta-Analysis. Orlando, FL: Academic Press.

Kimmel, C.A. 1990. Quantitative approaches to human risk assessment for noncancer health effects. Neurotoxicology 11(2):189-98.

Kimmel, C.A., and D.W. Gaylor. 1988. Issues in qualitative and quantitative risk analysis for developmental toxicology. Risk Anal. 8(1):15-20.

Kjellström, T., P. Kennedy, S. Wallis, and C. Mantell. 1986. Physical and Mental Development of Children with Prenatal Exposure to Mercury from Fish. Stage I: Preliminary tests at age 4. National Swedish Environmental Protection Board Report 3080. Solna, Sweden.

Kodell, R.L., and R.W. West. 1993. Upper confidence limits on excess risk for quantitative responses . Risk Anal. 13(2):177-82.

Leisenring, W., and L. Ryan. 1992. Statistical properties of the NOAEL. Regul. Toxicol. Pharmacol. 15(2 Pt. 1):161-171.

Mitchell, J.W., T.E.U. Kjellström, and .L. Reeves. 1982. Mercury in takeaway fish in New Zealand. N. Z. Med. J. 95(702):112-4.

Rice, D.C. 1992. Effects of pre-plus postnatal exposure to methylmercury in the monkey on fixed interval and discrimination reversal performance. Neurotoxicology 13(2):443-452.