HMDB: a knowledgebase for the human metabolome. - David S. Wishart; Craig Knox; Anchi Guo; Roman Eisner; Nelson Young; Bijaya Gautam; David D. Hau; Nick Psychogios; Edison Dong; Souhaila Bouatra; Rupasri Mandal; Igor Sinelnikov; et al. (Nucleic Acids Res., 2009)

MetaboAnalyst: a web server for metabolomic data analysis and interpretation. - Jianguo Xia; Nick Psychogios; Nelson Young; David S. Wishart (Nucleic Acids Res., 2009)