AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new featuresNFL Sunday TicketKrebs | D-/L-Methadon in der Krebstherapie, Glioblastom, Methadon, Onkologie | Dr. Claudia Friesen, Dr. Hans-Jörg Hilscher - YouTube