Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
N NERVOUS SYSTEM
N01 ANESTHETICS
N01A ANESTHETICS, GENERAL
N01AX Other general anesthetics
N01AX63 Nitrous oxide, combinations
D03841 Nitrous oxide and oxygen
Drug groups [BR:br08330]
Neuropsychiatric agent
DG02030 Anesthetics
DG02027 General anesthetics
DG02028 Inhalational anaesthetics
D03841 Nitrous oxide and oxygen