title: [Narcotics combined with low-flow nitrous oxide in open-heart surgery].
mesh_terms: D000293:Adolescent; D000701:Analgesics, Opioid; D000758:Anesthesia; D006348:Cardiac Surgical Procedures; D002648:Child; D005048:Etorphine / Q000031:analogs & derivatives; D005260:Female; D005283:Fentanyl; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006801:Humans; D008297:Male; D009019:Morphinans; D009609:Nitrous Oxide
chemical_list: D000701:Analgesics, Opioid; D009019:Morphinans; D005048:Etorphine; D009609:Nitrous Oxide; C034765:18,19-dihydroetorphine; D005283:Fentanyl