Date of check

individual differences in response to different opioids (17). A further study which evaluated the records of 129 patients, who had undergone opioid rotation from other opioids to transdermal fentanyl, also suggested that the ratio of oral morphine equivalent daily dose to transdermal fentanyl is 100:1 (Reddy A, Tayjasanan S, Haider A. ................
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