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An approach to identify over-represented cis-elements in related sequences. Zheng Jiashun, Wu Jiajin, Sun Zhirong. Nucleic Acids Res. 2003;31:1995–2005. doi: 10.1093/nar/gkg287.
The authors would like to apologize for an error that has appeared in equations 7 and 8 in this article. The correct forms of equations 7 and 8 are given below. Please note that the errors did not affect the result and web service provided in the article.
