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Periodical. Eisenberg, Shlomo, John F. Scott, and Arthur Kornberg. "An Enzyme System for Replication of Duplex Circular DNA: The Replicative Form of Phage [Phi] X174." Proceedings of the National Academy of Sciences of the United States of America 73, 5 (May 1976): 1594-1597. Article. 4 Images.. Proceedings of the National Academy of Sciences of the United States of America