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Periodical. Goulian, Mehran, and Arthur Kornberg. "Enzymatic Synthesis of DNA. XXIII. Synthesis of Circular Replicative Form of Phage [Phi] X174 DNA." Proceedings of the National Academy of Sciences of the United States of America 58, (1967): 1723-1730. Article. 8 Images.. Proceedings of the National Academy of Sciences of the United States of America