Administering blood safely.
D001789:Blood Group Antigens; D001787:Blood Group Incompatibility / Q000451:nursing; D001788:Blood Grouping and Crossmatching; D001803:Blood Transfusion / Q000451:nursing; D006801:Humans; D008991:Monitoring, Physiologic; D009871:Operating Room Nursing; D012306:Risk
D001789:Blood Group Antigens