title: Fentanyl and droperidol effects on the refractoriness of the accessory pathway in the Wolff-Parkinson-White syndrome.
mesh_terms: D000771:Anesthesia, Intravenous; D001145:Arrhythmias, Cardiac / Q000139:chemically induced; D004329:Droperidol / Q000494:pharmacology*; D004594:Electrophysiology; D005260:Female; D005283:Fentanyl / Q000494:pharmacology*; D006329:Heart Conduction System / Q000187:drug effects* / Q000601:surgery; D006801:Humans; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology* / Q000601:surgery
chemical_list: D004329:Droperidol; D005283:Fentanyl