Reviewed:

<bibtex>
    @MISC{ R-HSA-168138.6,
           author          = {Gillespie, ME},
           title           = {Toll Like Receptor 9 (TLR9) Cascade},
           crossref        = {Reactome:R-HSA-168138.6},
           howpublished    = {\url{http://www.reactome.org/PathwayBrowser/#R-HSA-168138.6}},
           note            = {Reactome Pathway Knowledgebase, http://www.reactome.org/},
           month           = {October},
           year            = {2010},
           }
</bibtex>