[1] CIIT,INHALAT TOXICOL & BIOMATH MODELING,RES TRIANGLE PK,NC 27709
[2] CLARK UNIV,CENTED,WORCESTER,MA 01610
[3] US EPA,OFF RES & DEV,RES TRIANGLE PK,NC 27711
[4] US EPA,ENVIRONM CRITERIA & ASSESSMENT OFF,CINCINNATI,OH 45268
[5] US EPA,OFF RES & DEV RD689,WASHINGTON,DC 20460
[6] EXXON BIOMED SCI INC,DIV TOXICOL,E MILLSTONE,NJ 08875