参考文献

Enkvist, Erki; Raidaru, Gerda; Uri, Asko; Patel, Roshni; Redick, Catherine; Boyer, Jose L.; Subbi, Julian; Tammiste, Indrek Nucleosides, Nucleotides and Nucleic Acids, 2006 , vol. 25, # 2 p. 141 - 157