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2. Persistent viral infections in human carcinogenesis;Mayer;Eur J Cancer Prev,1994
3. Particles with properties of retroviruses in monocytes from patients with breast cancer;Al-Sumidaie;Lancet,1988
4. Mouse mammary tumour virus related sequences are present in human DNA;May;Nucleic Acids Res,1983
5. Particles containing RNA-instructed DNA polymerase and virus-related RNA in human breast cancers;Axel,1972