Sia, R L 4-Aminopyridine reversal of fentanyl-induced respiratory depression in normocapnic and hypercapnic patients. [electronic resource] - British journal of anaesthesia Apr 1981 - 373-9 p. digital Publication Type: Journal Article ISSN: 0007-0912 Standard No.: 10.1093/bja/53.4.373 doi Subjects--Topical Terms: AdolescentAdultAminopyridines--pharmacologyAnesthesia, InhalationAnesthesia, IntravenousCarbon Dioxide--bloodDepression, ChemicalFemaleFentanyl--antagonists & inhibitorsHumansMaleMiddle AgedNitrous OxideOxygenRespiration--drug effects