Kay Prüfer Bjoern Muetzel Hong Hai Do Gunter Weiss Philipp Khaitovich Erhard Rahm Svante Pääbo Michael Lachmann Wolfgang Enard FUNC: a package for detecting significant associations between gene sets and ontological annotations. 2007 8 BMC Bioinformatics http://dx.doi.org/10.1186/1471-2105-8-41 db/journals/bmcbi/bmcbi8.html#PruferMDWKRPLE07