1. Transdermally administered fentanyl for pain management;Calis;Clin. Pharmacol.,1992
2. Transdermal fentanyl: an overview of clinical progress;Caplan,1991
3. Transdermales Fentanyl in der Tumorschmerztherapie;Donner;Der Schmerz,1993
4. Fentanyl TTS zur postoperativen Schmerztherapie;Donner;Anaesthesist,1993
5. Transdermal narcotics for pain control;Enck;Am. J. Hosp. Pall. Care,1990