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edited by William Helferich and Carl K. Winter
CRC Press c2001
Available at 12 libraries
editors, Michael S. Denison, William G. Helferich
Taylor & Francis c1998 Target organ toxicology series
Available at 9 libraries
William Helferich, Dennis Westhoff
Prentice-Hall c1980 A Spectrum book S-622
pbk.
Available at 1 libraries