The Vertebrate Genome Annotation browser 10 years on.
Harrow JL, Steward CA, Frankish A, Gilbert JG, Gonzalez JM, Loveland JE, Mudge J, Sheppard D, Thomas M, Trevanion S, et al. Nucleic Acids Res. 2014 Jan; 42(Database issue):D771-9. Epub 2013 Dec 6.