title: Retraction: Spontaneous human adult stem cell transformation.
authors: Department of Immunology and Oncology, Centro Nacional de Biotecnologia/Consejo Superior de Investigaciones Cientificas, UAM Campus de Cantoblanco, Madrid, Spain.
authors: Ricardo
authors: R
authors: de la Fuente
authors: Antonio
authors: A
authors: Bernad
authors: Javier
authors: J
authors: Garcia-Castro
authors: Maria C
authors: MC
authors: Martin
authors: Juan C
authors: JC
authors: Cigudosa