Fred Versmann
Margaret B. Hays
Anna Wypych
M. Lewin
Giovanni Aldini
United States. Public Health Service
K. Abdo
G. J. Van Esch
Kathleen Hess-Kosa
Unknown Author
National Toxicology Program (U.S.)
Toxicology Committee
A. Richard Horrocks
Stuart Harrad
IARC
G. J. van Esch
ILO