Panzea: a database and resource for molecular and functional diversity in the maize genome. - Zhao, Wei; Canaran, Payan; Jurkuta, Rebecca; Fulton, Theresa; Glaubitz, Jeffrey; Buckler, Edward S.; Doebley, John; Gaut, Brandon S.; Goodman, Major; Holland, Jim; Kresovich, Stephen; McMullen, Michael D.; et al. (Nucleic Acids Res., 2006)