Red cell transfusions for polytransfused patients.
D000740:Anemia / Q000628:therapy*; D001803:Blood Transfusion; D002469:Cell Separation; D017707:Erythrocyte Transfusion; D004912:Erythrocytes / Q000166:cytology; D006801:Humans; D007938:Leukemia / Q000628:therapy*; D017708:Leukocyte Transfusion; D008223:Lymphoma / Q000628:therapy*; D017713:Platelet Transfusion