9Bromage PR.A comparison of hyolrochloride and carbon dioxidesalts of lidocaine and prilocaine in epidurla analgesia[J].AetaAnesthesia Scand,1965,38(Suppl X VI):85.
10Matinian NV, Sahanow AI. Combined spinal epidural anesthesia during endoprosthetic surgeries for bone tumom in old- age children [ J ]. Anesteziol Reanimatol ,2005,29( 1 ) : 17-19.