1. RNA-dependent DNA polymerase in virions of RNA tumour viruses;Baltimore;Nature (London),1970
2. Virus particles and viral antigens in chicken tissues free of infectious avian leukosis virus;Dougherty,1967
3. Further studies on RSV production from transformed cells;Hanafusa;Virology,1968
4. A cell-associated factor essential for formation of an infectious form of Rous sarcoma virus;Hanafusa,1970
5. Recovery of a new virus from apparently normal chick cells by infection with avian tumor viruses;Hanafusa,1970