No abstract available
MeSH terms
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Animals
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Antigens, Viral / analysis*
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B-Lymphocytes
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Cell Fusion*
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Embryo, Mammalian
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Fibroblasts
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Hybrid Cells
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Macrophages
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Mice
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Mice, Inbred BALB C
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Moloney murine leukemia virus / immunology*
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T-Lymphocytes / immunology*
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Time Factors
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Virus Activation*