作者单位: | [1]DepartmentofAnesthesiaandPerioperativeCare,UniversityofCaliforniaSanFrancisco,SanFrandsco,California Department of Anesthesia and Perioperative Care,University of California San Francisco, San Francisco, California [2]不详,UniversityofCaliforniaSanFrancisco,SanFrandsco,California Department of Anesthesia and Perioperative Care,University of California San Francisco, San Francisco, California |