Authored:

<bibtex>
    @MISC{ R-HSA-168256.9,
           author          = {de Bono, B, Gillespie, ME, Luo, F, Ouwehand, W.H.},
           title           = {Immune System},
           crossref        = {Reactome:R-HSA-168256.9},
           howpublished    = {\url{http://www.reactome.org/PathwayBrowser/#R-HSA-168256.9}},
           note            = {Reactome Pathway Knowledgebase, http://www.reactome.org/},
           month           = {March},
           year            = {2006},
           }
</bibtex>