The Journal of Clinical Oncology, August 1988, reported: "Patients receiving perioperative blood transfusions have a significantly worse prognosis than patients undergoing cancer surgery without a perioperative transfusion."
8 Kgatiso ya Journal of Clinical Oncology, ya August 1988, e ne ya bega jaana: "Balwetse ba ba tshelwang madi pele ga karo, ba ka feleletsa ba lwala thata go gaisa balwetse ba ba sa tshelwang madi pele ga karo."