Long-term correction of canine hemophilia B by gene transfer of blood coagulation factor IX mediated by adeno-associated viral vector - Herzog, RW; Yang, EY; Couto, LB; Hagstrom, JN; Elwell, D; Fields, PA; Burton, M; Bellinger, DA; Read, MS; Brinkhous, KM; Podsakoff, GM; Nichols, TC; Kurtzman, GJ; High, KA (Nat Med., 1999)