No abstract available
MeSH terms
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Animals
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Carbon Isotopes
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Chick Embryo
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Chromatography, Ion Exchange
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Chromatography, Paper
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Culture Techniques
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Cytosine / analysis
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DNA / analysis*
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DNA / biosynthesis
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DNA, Neoplasm / analysis*
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DNA, Neoplasm / biosynthesis
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Guanine / analysis
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HeLa Cells / analysis
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Humans
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L Cells / analysis
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Lung / analysis
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Lung / cytology
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Lung / embryology
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Methionine / metabolism
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Methylation
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Peptide Hydrolases
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Purinones / analysis*
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Pyrimidinones / analysis*
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Thymine / analysis
Substances
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Carbon Isotopes
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DNA, Neoplasm
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Purinones
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Pyrimidinones
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Guanine
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Cytosine
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DNA
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Methionine
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Peptide Hydrolases
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Thymine