Blood and component therapy.
D000937:Antigen-Antibody Reactions; D001774:Blood Chemical Analysis; D001789:Blood Group Antigens / Q000276:immunology; D001788:Blood Grouping and Crossmatching / Q000379:methods; D001800:Blood Specimen Collection / Q000379:methods; D001803:Blood Transfusion / Q000191:economics / Q000451:nursing; D017707:Erythrocyte Transfusion; D006801:Humans; D065227:Transfusion Reaction
D001789:Blood Group Antigens