Erythroblastic islands in the bone marrow of beta-thalassaemia heterozygotes.
D001853:Bone Marrow / Q000473:pathology*; D004900:Erythroblasts / Q000473:pathology*; D004920:Erythropoiesis; D006801:Humans; D013789:Thalassemia / Q000473:pathology*