[1] Univ Utrecht, RITOX, NL-3508 TD Utrecht, Netherlands
[2] Commiss European Communities, ECVAM, Ispra, Italy
[3] Unilever Environm Safety Lab, Bedford, England
[4] Ain Shams Univ, Dept Community Med, Cairo, Egypt
[5] Inst Evaluating Hlth Risks, Washington, DC 20002 USA
[6] NIEHS, Washington, DC 20002 USA
[7] Univ Calif Berkeley, Sch Publ Hlth, Berkeley, CA 94720 USA
[8] NIEHS, Res Triangle Pk, NC 27709 USA
[9] Natl Ctr Toxicol Res, Jefferson, AR 72079 USA
[10] WHO, Int Programme Chem Safety, CH-1211 Geneva, Switzerland