Assertion: citrate's fentanyl | /r/CapableOf | take -the-clock opioids
Facets:
value: for severe cancer pain
type: PURPOSE
Source sentences:
text: In the outpatient setting for control of cancer pain, fentanyl is only given to patients who are “opioid-tolerant” and have already been taking around-the-clock opioids for severe cancer pain.