QN NERVOUS SYSTEM
QN02 ANALGESICS
QN02A OPIOIDS
QN02AB Phenylpiperidine derivatives
QN02AB03 fentanyl
Last updated: 2024-01-17
QN NERVOUS SYSTEM
QN02 ANALGESICS
QN02A OPIOIDS
QN02AB Phenylpiperidine derivatives
QN02AB03 fentanyl
Last updated: 2024-01-17