机构:
Medstar Hlth Surg Ctr, Preoperat Unit, Washington, DC 20036 USA
Medstar Hlth Surg Ctr, Postanesthesia Care Unit, Washington, DC 20036 USA
Amer Soc PeriAnesthesia Nurses, Washington, DC USAMedstar Hlth Surg Ctr, Preoperat Unit, Washington, DC 20036 USA