1. Patentrechtliche Probleme der Gentherapie;Straus;GRUR,1996
2. Will the broad ex vivo gene therapy patent be challenged: An appraisal;Bisbee;GEN,1995
3. US Patent Nr. 5,399,346 of the inventors: W. French Andersin, M. Blaese and S. A. Rosenberg, held by the United States of America (NIH).
4. Signs Definitive Agreement to Acquire Genetic Therapy for $ 295 M.;Compare Pfeiffer, Sandoz Ltd;GEN,1995