Ambiguity within gene name dictionaries. The ambiguity within gene name dictionaries derived from different data sources and for different organisms varies significantly. Combined dictionaries generally show relatively high ambiguity, curation reduces ambiguity. For notation see Figure 1, for details see section 'Intra-species Ambiguity'.
Fundel and Zimmer BMC Bioinformatics 2006 7:372 doi:10.1186/1471-2105-7-372