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 Avian Sarcoma Viruses DNA, Viral Varmus here provided an overview of his research during his sabbatical year at the Imperial Cancer Research Fund in London in 1978-79. His studies focused on the ways in which retroviruses cause mutations of genes, including the genes deposited by other retroviruses that had previously infected the cell. Produced: 1979 University of California, San Francisco. Archives and Special Collections. Harold E. Varmus Papers Varmus, Harold Wyke, J. Reports Excerpts Archival Materials Text 1 pages nlm:nlmuid-101584926X62-doc 101584926X62 http://resource.nlm.nih.gov/101584926X62 Profiles ID: MVBBDY English Profiles in Science