Reactome: a knowledgebase of biological pathways.
G. Joshi-TopeMarc GillespieImre VastrikPeter D'EustachioEsther SchmidtBernard de BonoBijay JassalG. R. GopinathG. R. WuLisa MatthewsSuzanna LewisEwan BirneyLincoln SteinPublished in: Nucleic Acids Res. (2005)