Expression of RNA Tumor Viruses at Translation and Transcription Levels.- Progress in Studies on the Etiology and Serologic Diagnosis of Enzootic Bovine Leukosis.- Oligonucleotide Fingerprinting With RNA Tumor Virus RNA.- Xenotropic Type C Viruses.- Type C Viruses of Wild Mice: Characterization and Natural History of Amphotropic, Ecotropic, and Xenotropic MuLV.- Temperature-Sensitive Mutants of Avian RNA Tumor Viruses: A Review.- The Mechanism for Genetic Recombination in the Avian Retroviruses.- Indexed in ISR.