Transfusion of universal donor and uncrossmatched blood.
D000017:ABO Blood-Group System; D001782:Blood Donors; D001788:Blood Grouping and Crossmatching; D001803:Blood Transfusion; D004630:Emergencies; D006461:Hemolysis; D006801:Humans; D007723:Korea; D013997:Time Factors; D065227:Transfusion Reaction; D014744:Vietnam
D000017:ABO Blood-Group System