O ' Brien , Janet

From the Laboratory of Viral Carcinogenesis, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21701; the Upstate Medical Center, State University of New York, Syracuse, New York; the Barbara Kopp Research Center, Auburn, New York 13021; the DNA Recombinant Research Unit, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20205; and the Department of Veterinary Pathology, Texas A & M University, College Station, Texas 77843