title: Viruses, immunoresponse, and cancer. A special symposium in honor of Hilary Koprowski.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000276:immunology*; D014481:United States; D014780:Viruses / Q000276:immunology*