Assertion: opioid analgesic | /r/HasProperty | classified by the degree of agonist action
Facets:
Source sentences:
text: Opioid analgesics can be classified by chemical structure (phenanthrenes, phenylpiperidines, or diphenylheptanes) and by the degree of agonist action at the receptor site (see Table 2).6,9,10 Fentanyl, hydromorphone, levorphanol, meperidine, morphine, oxycodone, and oxymorphone are considered strong full agonists or strong opioids.