The invention concerns recombinant viruses comprising a heterologous DNA sequence under the control of expression signals specifically active in tumor cells, and their preparation and use in the treatment and prevention of cancers.

 
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< Radiation therapy by accumulation of therapeutic radionuclides in tumor-targeting bacteria

< Vectors derived from baculovirus and use for transferring nucleic acids into nerve cells of vertebrates

> Immunologically significant herpes simplex virus antigens and methods for using same

> Somatic transfer of modified genes to predict drug effects

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