11. Letter from Harold Varmus to Roel Nusse Publication: Produced: [28 March 1979] Subject(s): Mammary Tumor Virus, MouseDNA, ViralRNA, Viral Archival Collection: The Harold Varmus Papers (Profiles in Science)
12. Oncogenesis without Viral Oncogenes by Avian Leukosis and Mouse Mammary Tumor Viruses Publication: Produced: [ca. March 1983] Subject(s): Mammary Tumor Virus, MouseAvian LeukosisOncogenes Archival Collection: The Harold Varmus Papers (Profiles in Science)