QN NERVOUS SYSTEM
QN01 ANESTHETICS
QN01A ANESTHETICS, GENERAL
QN01AH Opioid anesthetics
QN01AH01 fentanyl
QN01AH02 alfentanil
QN01AH03 sufentanil
QN01AH04 phenoperidine
QN01AH05 anileridine
QN01AH06 remifentanil
QN01AH51 fentanyl, combinations
Last updated: 2024-01-17