No abstract available
MeSH terms
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Autoradiography
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Cell Division*
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Cell Nucleolus / analysis
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Cell Nucleus / analysis
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Cytoplasm / analysis
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Female
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Histocytochemistry
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Nucleosides / metabolism
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Ovum / metabolism*
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RNA / analysis
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RNA / biosynthesis*
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Snails / embryology
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Snails / metabolism*
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Thymidine / metabolism
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Time Factors
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Tritium
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Uridine / metabolism
Substances
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Nucleosides
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Tritium
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RNA
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Thymidine
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Uridine