The use of packed red blood cells.
D000017:ABO Blood-Group System; D000707:Anaphylaxis / Q000276:immunology; D001778:Blood Coagulation Disorders / Q000628:therapy; D001793:Blood Preservation; D001803:Blood Transfusion; D004912:Erythrocytes; D005069:Evaluation Studies as Topic; D006470:Hemorrhage / Q000628:therapy; D006801:Humans; D007070:Immunoglobulin A; D007962:Leukocytes / Q000276:immunology; D010949:Plasma / Q000276:immunology; D013921:Thrombocytopenia / Q000628:therapy; D065227:Transfusion Reaction
D000017:ABO Blood-Group System; D007070:Immunoglobulin A