281. Genetic Functions of Avian Sarcoma Viruses

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282. Possible Model for Viral Gene Expression in Permissive Cells

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283. Possible Model for Viral Gene Expression in Nonpermissive Cells

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284. Synthesis of ASV DNA - 1976 Version

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285. Ovalbumen, 'Sarc,' and 'Viral' Genes in Chicken Chromosomes

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286. Approaches to Integration Sites for Virus-Specific DNA

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287. Characteristics of Unintegrated Viral DNA

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288. Letter from Harold Varmus to Mike Fried, Art, Herman and Nancy Quintrell

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289. Annealing cDNA3' and cDNA5' to Linear ASV DNA

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290. Proposals for Regulation of ASV Genes

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291. Restriction Endonuclease Cleavage Sites in ASV-DNA

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292. Tentative Model for ASV Gene Expression

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

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294. Evidence for Viral Genes in Normal Chicken Cells

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295. Untitled slide

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296. [Revertant DNA data] (image 1)

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297. Letter from Harold Varmus to Michael G. P. Stoker, Imperial Cancer Research Fund Laboratories

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298. Letter from Harold Varmus to Ed Southern, Medical Research Council of Great Britain

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299. Letter from Harold Varmus to John Z. Bowers, Josiah Macy, Jr. Foundation

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300. Career summary and research proposal sent to the Josiah Macy, Jr. Foundation

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