HMDB 3.0–The Human Metabolome Database in 2013 - Wishart, D S; Jewison, T; Guo, A C; Wilson, M; Knox, C; Liu, Y; Djoumbou, Y; Mandal, R; Aziat, F; Dong, E; Bouatra, S; Sinelnikov, I; Arndt, D; Xia, J; Liu, P; Yallou, F; Bjorndahl, T; Perez-Pineiro, R; Eisner, R; Allen, F; Neveu, V; Greiner, R; Scalbert, A (Nucleic Acids Res, 2013)