R. R Mitchell -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA
S. D Fitzgerald -
Department of Veterinary Pathology, Michigan State University, East Lansing, Michigan 48824, USA
R. J Aulerich -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA, Institute for Environmental Toxicology, Michigan State University, East Lansing, Michigan 48824, USA
R. J Balander -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA
D. C Powell -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA
R. J Tempelman -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA
C Cray -
Division of Comparative Pathology, University of Miami School of Medicine, Miami, Florida 33136, USA
W Stevens -
Federal Cartridge Company, Anoka, Minnesota 55303, USA
S. J Bursian -
Department of Animal Science, Michigan State University, East Lansing, Michigan 48824, USA, Institute for Environmental Toxicology, Michigan State University, East Lansing, Michigan 48824, USA