4 doctors weighed in:

I need to know what is fentanyl transdermal system 100 mcg/h pain patch?

4 doctors weighed in
Dr. James Henning
Anesthesiology
3 doctors agree

In brief: Have a Look

http://www.rxlist.
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In brief: Have a Look

http://www.rxlist.
com/duragesic-drug.htm this should get you started!
Dr. James Henning
Dr. James Henning
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