81. Restriction Endonuclease Cleavage Sites in ASV-DNA

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82. Tentative Model for ASV Gene Expression

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83. Status of Viral DNA in Cells Chronically Infected by RNA Tumor Viruses

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84. Evidence for Viral Genes in Normal Chicken Cells

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85. Untitled slide

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86. [Revertant DNA data] (image 1)

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87. Letter from Harold Varmus and Stephen Hughes to Ed Southern, Medical Research Council of Great Britain

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88. Letter from Ed Southern, Medical Research Council of Great Britain to Harold Varmus and Stephen Hughes

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89. Letter from Harold Varmus to Mike Fried, Imperial Cancer Research Fund Laboratories

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90. Letter from Harold Varmus to J. Michael Bishop

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91. Nucleotide Sequences Related to the Transforming Gene of Avian Sarcoma Virus are Present in DNA of Uninfected Vertebrates

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92. Letter from Keith R. Yamamoto to Harold Varmus

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93. Memorandum of Understanding and Agreement: Recombinant DNA

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94. Report from Cold Spring Harbor, 1979: Viral Oncogenes (and Other Items)

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95. For the ICRF Annual Report, 1979: II. Retroviruses as Mutagens: Isolation of Revertants with Deletions and/or Insertions in the ASV Provirus in B31 Cells after Superinfection with MuLV

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96. For the ICRF Annual Report, 1979: I. The Rare Revertants of an ASV-Transformed Rat Cell Have Lost Proviral DNA or Bear Mutations in SRC

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97. For the ICRF Annual Report, 1979: III. Co-Transfection with Papovavirus and Retrovirus DNA Using Recombinant DNA Prepared In vitro

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98. Letter from Harold Varmus to Inder M. Verma, Imperial Cancer Research Fund Laboratories

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99. Letter from Harold Varmus to Roel Nusse

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100. Letter from Harold Varmus to Howard Young, National Cancer Institute

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