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3. Feline Oncorna Virus Associated Cell Membrane Antigen. II. Antibody Titers in Healthy Cats from Household and Laboratory Colony Environments;Essex;J. Nat'l. Cancer Inst.,1975
4. Feline Oncorna Virus Associated Cell Membrane Antigen. III. Antibody titers in Cats from Leukemic Cluster Household;Essex;J. Nat'l. Cancer Inst.,1975
5. Horizontally and Vertically Transmitted Oncorna Viruses of Cats;Essex;Ad. Cancer Res.,1975