The UCSC genome browser database: update 2007.
Robert M. KuhnDonna KarolchikAnn S. ZweigHeather TrumbowerDaryl J. ThomasArchana ThakkapallayilCharles W. SugnetMario StankeKayla E. SmithAdam C. SiepelKate R. RosenbloomBrooke L. RheadBrian J. RaneyAndy PohlJakob Skou PedersenFan HsuAngela S. HinrichsRachel A. HarteMark DiekhansHiram ClawsonGill BejeranoGalt P. BarberRobert BaertschDavid HausslerW. James KentPublished in: Nucleic Acids Res. (2007)