1: Shen C, Sun Z, Chen D, Su X, Jiang J, Li G, Lin B, Yan J. Developing urinary metabolomic signatures as early bladder cancer diagnostic markers. OMICS. 2015 Jan;19(1):1-11. doi: 10.1089/omi.2014.0116. 2: Schlumpberger M, Prusiner SB, Herskowitz I. Induction of distinct [URE3] yeast prion strains. Mol Cell Biol. 2001 Oct;21(20):7035-46. doi: 10.1128/MCB.21.20.7035-7046.2001.