title: Decrease in spleen size in thalassemia major.
mesh_terms: D001803:Blood Transfusion; D004920:Erythropoiesis; D006801:Humans; D012157:Mononuclear Phagocyte System / Q000503:physiopathology; D013154:Spleen / Q000503:physiopathology; D013158:Splenic Diseases / Q000209:etiology*; D013789:Thalassemia / Q000150:complications*