5Nfred W, Michael F. Reducing myoclonus after etomidate [J].Anesthesiology, 1999, 90: 113-115.
6Ramsay MA, Savege TM, Simpson BR, et al. Controlled sedation with alphaxalone[J]. Br Med J, 1974, 22: 656-659.
7Blitt CD, Carlson GL. A comparative evaluation of pretreatment with nondepolarizing neuromuscular blockers prior to the administration of succinglcholine[J]. Anesthesiology, 1981, 55: 687.
8Cormack PS, Lehane J. Difficult tracheal intubation in obstetrics [J]. Anaesthesia, 1984, 39: 1051.
