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2511-20(November 1999)Volpini, R Camaioni, E Costanzi, S Vittori, S Klotz, K N Cristalli,
G Comparative Study Research Support, Non-U.S. Gov't United states
Nucleosides & nucleotides Nucleosides Nucleotides. 1999 Nov-Dec;18(11-12):2511-20..