Fentanyl Transdermal Matrix Patch ZR-02-01 to Treat Chronic, Moderate to Severe Non-Malignant Pain [clinicaltrials:NCT00126763]

Fentanyl Transdermal Matrix Patch ZR-02-01 to Treat Chronic, Moderate to Severe Non-Malignant Pain [clinicaltrials:NCT00126763]