NLM Digital Collections

Search

Start Over Subjects Cardiac Surgical Procedures -- mortality ✖Remove constraint Subjects: Cardiac Surgical Procedures -- mortality Subjects Personnel Staffing and Scheduling ✖Remove constraint Subjects: Personnel Staffing and Scheduling Authors Brown, Sydney E., author ✖Remove constraint Authors: Brown, Sydney E., author Authors He, Xu, author ✖Remove constraint Authors: He, Xu, author