Siegel, L C Simultaneous intraoperative measurement of cardiac output by thermodilution and transtracheal Doppler. [electronic resource] - Anesthesiology Apr 1991 - 664-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0003-3022 Standard No.: 10.1097/00000542-199104000-00008 doi Subjects--Topical Terms: AdultAgedCardiac OutputCardiac Surgical ProceduresFemaleHumansIntraoperative PeriodMaleMiddle AgedThermodilution--methodsUltrasonics