1. Effect of active and inactive vaccinia virus preparations on human amnion cell cultures;Bernkopf;J. Immunol.,1959
2. The “toxic” activity of vaccinia virus in tissue culture;Brown;J. Infect. Diseases,1959
3. Plaque formation and isolation of pure lines with poliomyelitis viruses;Dulbecco;J. Exptl. Med.,1954
4. The reactivation of poxviruses. II. The range of reactivating viruses;Fenner;Virology,1960
5. Inhibitory effect of heated vaccinia virus on growth of vaccinia virus in Earle's L cells;Galasso,1961