E. de Alava1, R. Sanchez-Prieto2
& S. Ramon y Cajal2
1
Clínica Universitaria de Navarra Avda Pío
XII 36 31008 Pamplona, Spain
2
Clínica Puerta de Hierro, c/San Martín
de Porres 4, 28035 Madrid, Spain
In the December 1999 issue of Nature Medicine, Melot and Delattre1 and Kovar2, challenged the Sanchez-Prieto et al
. September 1999 article3 proposing that the adenoviral
E1A gene induces the Ewing tumor fusion transcript EWS−FLI1. Here Sanchez-Prieto
et al. respond...Ed.
