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. 1976 Jun 10;261(5560):516-9.
doi: 10.1038/261516a0.

Covalently closed circular DNA molecules deficient in superhelical density as intermediates in plasmid life cycle

J H Crosa, L K Luttropp, S Falkow

Covalently closed circular DNA molecules deficient in superhelical density as intermediates in plasmid life cycle

J H Crosa et al. Nature. .
No abstract available

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